258376100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 574713216

約数和(自身を除く): 316337116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 151, 241, 284, 302, 355, 482, 604, 710, 755, 964, 1205, 1420, 1510, 1775, 2410, 3020, 3550, 3775, 4820, 6025, 7100, 7550, 10721, 12050, 15100, 17111, 21442, 24100, 34222, 36391, 42884, 53605, 68444, 72782, 85555, 107210, 145564, 171110, 181955, 214420, 268025, 342220, 363910, 427775, 536050, 727820, 855550, 909775, 1072100, 1711100, 1819550, 2583761, 3639100, 5167522, 10335044, 12918805, 25837610, 51675220, 64594025, 129188050, 258376100]

約数ペア:

[(1, 258376100), (2, 129188050), (4, 64594025), (5, 51675220), (10, 25837610), (20, 12918805), (25, 10335044), (50, 5167522), (71, 3639100), (100, 2583761), (142, 1819550), (151, 1711100), (241, 1072100), (284, 909775), (302, 855550), (355, 727820), (482, 536050), (604, 427775), (710, 363910), (755, 342220), (964, 268025), (1205, 214420), (1420, 181955), (1510, 171110), (1775, 145564), (2410, 107210), (3020, 85555), (3550, 72782), (3775, 68444), (4820, 53605), (6025, 42884), (7100, 36391), (7550, 34222), (10721, 24100), (12050, 21442), (15100, 17111)]