12000100

素因数分解:

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

素因数の和:138

約数の個数: 108

約数和(自身を含む): 31664640

約数和(自身を除く): 19664540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 79, 98, 100, 124, 140, 155, 158, 175, 196, 217, 245, 310, 316, 350, 395, 434, 490, 553, 620, 700, 775, 790, 868, 980, 1085, 1106, 1225, 1519, 1550, 1580, 1975, 2170, 2212, 2449, 2450, 2765, 3038, 3100, 3871, 3950, 4340, 4898, 4900, 5425, 5530, 6076, 7595, 7742, 7900, 9796, 10850, 11060, 12245, 13825, 15190, 15484, 17143, 19355, 21700, 24490, 27650, 30380, 34286, 37975, 38710, 48980, 55300, 61225, 68572, 75950, 77420, 85715, 96775, 120001, 122450, 151900, 171430, 193550, 240002, 244900, 342860, 387100, 428575, 480004, 600005, 857150, 1200010, 1714300, 2400020, 3000025, 6000050, 12000100]

約数ペア:

[(1, 12000100), (2, 6000050), (4, 3000025), (5, 2400020), (7, 1714300), (10, 1200010), (14, 857150), (20, 600005), (25, 480004), (28, 428575), (31, 387100), (35, 342860), (49, 244900), (50, 240002), (62, 193550), (70, 171430), (79, 151900), (98, 122450), (100, 120001), (124, 96775), (140, 85715), (155, 77420), (158, 75950), (175, 68572), (196, 61225), (217, 55300), (245, 48980), (310, 38710), (316, 37975), (350, 34286), (395, 30380), (434, 27650), (490, 24490), (553, 21700), (620, 19355), (700, 17143), (775, 15484), (790, 15190), (868, 13825), (980, 12245), (1085, 11060), (1106, 10850), (1225, 9796), (1519, 7900), (1550, 7742), (1580, 7595), (1975, 6076), (2170, 5530), (2212, 5425), (2449, 4900), (2450, 4898), (2765, 4340), (3038, 3950), (3100, 3871)]