187737680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1984

約数の個数: 80

約数和(自身を含む): 475167504

約数和(自身を除く): 287429824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1861, 1940, 2522, 3722, 3880, 5044, 6305, 7444, 7760, 9305, 10088, 12610, 14888, 18610, 20176, 24193, 25220, 29776, 37220, 48386, 50440, 74440, 96772, 100880, 120965, 148880, 180517, 193544, 241930, 361034, 387088, 483860, 722068, 902585, 967720, 1444136, 1805170, 1935440, 2346721, 2888272, 3610340, 4693442, 7220680, 9386884, 11733605, 14441360, 18773768, 23467210, 37547536, 46934420, 93868840, 187737680]

約数ペア:

[(1, 187737680), (2, 93868840), (4, 46934420), (5, 37547536), (8, 23467210), (10, 18773768), (13, 14441360), (16, 11733605), (20, 9386884), (26, 7220680), (40, 4693442), (52, 3610340), (65, 2888272), (80, 2346721), (97, 1935440), (104, 1805170), (130, 1444136), (194, 967720), (208, 902585), (260, 722068), (388, 483860), (485, 387088), (520, 361034), (776, 241930), (970, 193544), (1040, 180517), (1261, 148880), (1552, 120965), (1861, 100880), (1940, 96772), (2522, 74440), (3722, 50440), (3880, 48386), (5044, 37220), (6305, 29776), (7444, 25220), (7760, 24193), (9305, 20176), (10088, 18610), (12610, 14888)]