228001900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 633292800

約数和(自身を除く): 405290900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 49, 50, 62, 70, 76, 79, 95, 98, 100, 124, 133, 140, 155, 158, 175, 190, 196, 217, 245, 266, 310, 316, 350, 380, 395, 434, 475, 490, 532, 553, 589, 620, 665, 700, 775, 790, 868, 931, 950, 980, 1085, 1106, 1178, 1225, 1330, 1501, 1519, 1550, 1580, 1862, 1900, 1975, 2170, 2212, 2356, 2449, 2450, 2660, 2765, 2945, 3002, 3038, 3100, 3325, 3724, 3871, 3950, 4123, 4340, 4655, 4898, 4900, 5425, 5530, 5890, 6004, 6076, 6650, 7505, 7595, 7742, 7900, 8246, 9310, 9796, 10507, 10850, 11060, 11780, 12245, 13300, 13825, 14725, 15010, 15190, 15484, 16492, 17143, 18620, 19355, 20615, 21014, 21700, 23275, 24490, 27650, 28861, 29450, 30020, 30380, 34286, 37525, 37975, 38710, 41230, 42028, 46531, 46550, 48980, 52535, 55300, 57722, 58900, 61225, 68572, 73549, 75050, 75950, 77420, 82460, 85715, 93062, 93100, 96775, 103075, 105070, 115444, 120001, 122450, 144305, 147098, 150100, 151900, 171430, 186124, 193550, 206150, 210140, 232655, 240002, 244900, 262675, 288610, 294196, 325717, 342860, 367745, 387100, 412300, 428575, 465310, 480004, 525350, 577220, 600005, 651434, 721525, 735490, 857150, 930620, 1050700, 1163275, 1200010, 1302868, 1443050, 1470980, 1628585, 1714300, 1838725, 2280019, 2326550, 2400020, 2886100, 3000025, 3257170, 3677450, 4560038, 4653100, 6000050, 6514340, 7354900, 8142925, 9120076, 11400095, 12000100, 16285850, 22800190, 32571700, 45600380, 57000475, 114000950, 228001900]

約数ペア:

[(1, 228001900), (2, 114000950), (4, 57000475), (5, 45600380), (7, 32571700), (10, 22800190), (14, 16285850), (19, 12000100), (20, 11400095), (25, 9120076), (28, 8142925), (31, 7354900), (35, 6514340), (38, 6000050), (49, 4653100), (50, 4560038), (62, 3677450), (70, 3257170), (76, 3000025), (79, 2886100), (95, 2400020), (98, 2326550), (100, 2280019), (124, 1838725), (133, 1714300), (140, 1628585), (155, 1470980), (158, 1443050), (175, 1302868), (190, 1200010), (196, 1163275), (217, 1050700), (245, 930620), (266, 857150), (310, 735490), (316, 721525), (350, 651434), (380, 600005), (395, 577220), (434, 525350), (475, 480004), (490, 465310), (532, 428575), (553, 412300), (589, 387100), (620, 367745), (665, 342860), (700, 325717), (775, 294196), (790, 288610), (868, 262675), (931, 244900), (950, 240002), (980, 232655), (1085, 210140), (1106, 206150), (1178, 193550), (1225, 186124), (1330, 171430), (1501, 151900), (1519, 150100), (1550, 147098), (1580, 144305), (1862, 122450), (1900, 120001), (1975, 115444), (2170, 105070), (2212, 103075), (2356, 96775), (2449, 93100), (2450, 93062), (2660, 85715), (2765, 82460), (2945, 77420), (3002, 75950), (3038, 75050), (3100, 73549), (3325, 68572), (3724, 61225), (3871, 58900), (3950, 57722), (4123, 55300), (4340, 52535), (4655, 48980), (4898, 46550), (4900, 46531), (5425, 42028), (5530, 41230), (5890, 38710), (6004, 37975), (6076, 37525), (6650, 34286), (7505, 30380), (7595, 30020), (7742, 29450), (7900, 28861), (8246, 27650), (9310, 24490), (9796, 23275), (10507, 21700), (10850, 21014), (11060, 20615), (11780, 19355), (12245, 18620), (13300, 17143), (13825, 16492), (14725, 15484), (15010, 15190)]