28987380940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2549}}^1\times {\mathrm{2801}}^1$

素因数の和:5395

約数の個数: 96

約数和(自身を含む): 72022608000

約数和(自身を除く): 43035227060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2549, 2801, 4060, 5098, 5602, 10196, 11204, 12745, 14005, 17843, 19607, 25490, 28010, 35686, 39214, 50980, 56020, 71372, 73921, 78428, 81229, 89215, 98035, 147842, 162458, 178430, 196070, 295684, 324916, 356860, 369605, 392140, 406145, 517447, 568603, 739210, 812290, 1034894, 1137206, 1478420, 1624580, 2069788, 2274412, 2587235, 2843015, 5174470, 5686030, 7139749, 10348940, 11372060, 14279498, 28558996, 35698745, 49978243, 71397490, 99956486, 142794980, 199912972, 207052721, 249891215, 414105442, 499782430, 828210884, 999564860, 1035263605, 1449369047, 2070527210, 2898738094, 4141054420, 5797476188, 7246845235, 14493690470, 28987380940]

約数ペア:

[(1, 28987380940), (2, 14493690470), (4, 7246845235), (5, 5797476188), (7, 4141054420), (10, 2898738094), (14, 2070527210), (20, 1449369047), (28, 1035263605), (29, 999564860), (35, 828210884), (58, 499782430), (70, 414105442), (116, 249891215), (140, 207052721), (145, 199912972), (203, 142794980), (290, 99956486), (406, 71397490), (580, 49978243), (812, 35698745), (1015, 28558996), (2030, 14279498), (2549, 11372060), (2801, 10348940), (4060, 7139749), (5098, 5686030), (5602, 5174470), (10196, 2843015), (11204, 2587235), (12745, 2274412), (14005, 2069788), (17843, 1624580), (19607, 1478420), (25490, 1137206), (28010, 1034894), (35686, 812290), (39214, 739210), (50980, 568603), (56020, 517447), (71372, 406145), (73921, 392140), (78428, 369605), (81229, 356860), (89215, 324916), (98035, 295684), (147842, 196070), (162458, 178430)]