172260400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 450655184

約数和(自身を除く): 278394784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 157, 200, 208, 211, 260, 314, 325, 400, 422, 520, 628, 650, 785, 844, 1040, 1055, 1256, 1300, 1570, 1688, 2041, 2110, 2512, 2600, 2743, 3140, 3376, 3925, 4082, 4220, 5200, 5275, 5486, 6280, 7850, 8164, 8440, 10205, 10550, 10972, 12560, 13715, 15700, 16328, 16880, 20410, 21100, 21944, 27430, 31400, 32656, 33127, 40820, 42200, 43888, 51025, 54860, 62800, 66254, 68575, 81640, 84400, 102050, 109720, 132508, 137150, 163280, 165635, 204100, 219440, 265016, 274300, 331270, 408200, 430651, 530032, 548600, 662540, 816400, 828175, 861302, 1097200, 1325080, 1656350, 1722604, 2153255, 2650160, 3312700, 3445208, 4306510, 6625400, 6890416, 8613020, 10766275, 13250800, 17226040, 21532550, 34452080, 43065100, 86130200, 172260400]

約数ペア:

[(1, 172260400), (2, 86130200), (4, 43065100), (5, 34452080), (8, 21532550), (10, 17226040), (13, 13250800), (16, 10766275), (20, 8613020), (25, 6890416), (26, 6625400), (40, 4306510), (50, 3445208), (52, 3312700), (65, 2650160), (80, 2153255), (100, 1722604), (104, 1656350), (130, 1325080), (157, 1097200), (200, 861302), (208, 828175), (211, 816400), (260, 662540), (314, 548600), (325, 530032), (400, 430651), (422, 408200), (520, 331270), (628, 274300), (650, 265016), (785, 219440), (844, 204100), (1040, 165635), (1055, 163280), (1256, 137150), (1300, 132508), (1570, 109720), (1688, 102050), (2041, 84400), (2110, 81640), (2512, 68575), (2600, 66254), (2743, 62800), (3140, 54860), (3376, 51025), (3925, 43888), (4082, 42200), (4220, 40820), (5200, 33127), (5275, 32656), (5486, 31400), (6280, 27430), (7850, 21944), (8164, 21100), (8440, 20410), (10205, 16880), (10550, 16328), (10972, 15700), (12560, 13715)]