240002000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 240

約数和(自身を含む): 705669120

約数和(自身を除く): 465667120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 79, 80, 98, 100, 112, 124, 125, 140, 155, 158, 175, 196, 200, 217, 245, 248, 250, 280, 310, 316, 350, 392, 395, 400, 434, 490, 496, 500, 553, 560, 620, 632, 700, 775, 784, 790, 868, 875, 980, 1000, 1085, 1106, 1225, 1240, 1264, 1400, 1519, 1550, 1580, 1736, 1750, 1960, 1975, 2000, 2170, 2212, 2449, 2450, 2480, 2765, 2800, 3038, 3100, 3160, 3472, 3500, 3871, 3875, 3920, 3950, 4340, 4424, 4898, 4900, 5425, 5530, 6076, 6125, 6200, 6320, 7000, 7595, 7742, 7750, 7900, 8680, 8848, 9796, 9800, 9875, 10850, 11060, 12152, 12245, 12250, 12400, 13825, 14000, 15190, 15484, 15500, 15800, 17143, 17360, 19355, 19592, 19600, 19750, 21700, 22120, 24304, 24490, 24500, 27125, 27650, 30380, 30968, 31000, 31600, 34286, 37975, 38710, 39184, 39500, 43400, 44240, 48980, 49000, 54250, 55300, 60760, 61225, 61936, 62000, 68572, 69125, 75950, 77420, 79000, 85715, 86800, 96775, 97960, 98000, 108500, 110600, 120001, 121520, 122450, 137144, 138250, 151900, 154840, 158000, 171430, 189875, 193550, 195920, 217000, 221200, 240002, 244900, 274288, 276500, 303800, 306125, 309680, 342860, 379750, 387100, 428575, 434000, 480004, 483875, 489800, 553000, 600005, 607600, 612250, 685720, 759500, 774200, 857150, 960008, 967750, 979600, 1106000, 1200010, 1224500, 1371440, 1519000, 1548400, 1714300, 1920016, 1935500, 2142875, 2400020, 2449000, 3000025, 3038000, 3428600, 3871000, 4285750, 4800040, 4898000, 6000050, 6857200, 7742000, 8571500, 9600080, 12000100, 15000125, 17143000, 24000200, 30000250, 34286000, 48000400, 60000500, 120001000, 240002000]

約数ペア:

[(1, 240002000), (2, 120001000), (4, 60000500), (5, 48000400), (7, 34286000), (8, 30000250), (10, 24000200), (14, 17143000), (16, 15000125), (20, 12000100), (25, 9600080), (28, 8571500), (31, 7742000), (35, 6857200), (40, 6000050), (49, 4898000), (50, 4800040), (56, 4285750), (62, 3871000), (70, 3428600), (79, 3038000), (80, 3000025), (98, 2449000), (100, 2400020), (112, 2142875), (124, 1935500), (125, 1920016), (140, 1714300), (155, 1548400), (158, 1519000), (175, 1371440), (196, 1224500), (200, 1200010), (217, 1106000), (245, 979600), (248, 967750), (250, 960008), (280, 857150), (310, 774200), (316, 759500), (350, 685720), (392, 612250), (395, 607600), (400, 600005), (434, 553000), (490, 489800), (496, 483875), (500, 480004), (553, 434000), (560, 428575), (620, 387100), (632, 379750), (700, 342860), (775, 309680), (784, 306125), (790, 303800), (868, 276500), (875, 274288), (980, 244900), (1000, 240002), (1085, 221200), (1106, 217000), (1225, 195920), (1240, 193550), (1264, 189875), (1400, 171430), (1519, 158000), (1550, 154840), (1580, 151900), (1736, 138250), (1750, 137144), (1960, 122450), (1975, 121520), (2000, 120001), (2170, 110600), (2212, 108500), (2449, 98000), (2450, 97960), (2480, 96775), (2765, 86800), (2800, 85715), (3038, 79000), (3100, 77420), (3160, 75950), (3472, 69125), (3500, 68572), (3871, 62000), (3875, 61936), (3920, 61225), (3950, 60760), (4340, 55300), (4424, 54250), (4898, 49000), (4900, 48980), (5425, 44240), (5530, 43400), (6076, 39500), (6125, 39184), (6200, 38710), (6320, 37975), (7000, 34286), (7595, 31600), (7742, 31000), (7750, 30968), (7900, 30380), (8680, 27650), (8848, 27125), (9796, 24500), (9800, 24490), (9875, 24304), (10850, 22120), (11060, 21700), (12152, 19750), (12245, 19600), (12250, 19592), (12400, 19355), (13825, 17360), (14000, 17143), (15190, 15800), (15484, 15500)]