7497100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 17984960

約数和(自身を除く): 10487860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 79, 100, 130, 146, 158, 260, 292, 316, 325, 365, 395, 650, 730, 790, 949, 1027, 1300, 1460, 1580, 1825, 1898, 1975, 2054, 3650, 3796, 3950, 4108, 4745, 5135, 5767, 7300, 7900, 9490, 10270, 11534, 18980, 20540, 23068, 23725, 25675, 28835, 47450, 51350, 57670, 74971, 94900, 102700, 115340, 144175, 149942, 288350, 299884, 374855, 576700, 749710, 1499420, 1874275, 3748550, 7497100]

約数ペア:

[(1, 7497100), (2, 3748550), (4, 1874275), (5, 1499420), (10, 749710), (13, 576700), (20, 374855), (25, 299884), (26, 288350), (50, 149942), (52, 144175), (65, 115340), (73, 102700), (79, 94900), (100, 74971), (130, 57670), (146, 51350), (158, 47450), (260, 28835), (292, 25675), (316, 23725), (325, 23068), (365, 20540), (395, 18980), (650, 11534), (730, 10270), (790, 9490), (949, 7900), (1027, 7300), (1300, 5767), (1460, 5135), (1580, 4745), (1825, 4108), (1898, 3950), (1975, 3796), (2054, 3650)]