31156400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 83630064

約数和(自身を除く): 52473664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 73, 80, 88, 97, 100, 110, 146, 176, 194, 200, 220, 275, 292, 365, 388, 400, 440, 485, 550, 584, 730, 776, 803, 880, 970, 1067, 1100, 1168, 1460, 1552, 1606, 1825, 1940, 2134, 2200, 2425, 2920, 3212, 3650, 3880, 4015, 4268, 4400, 4850, 5335, 5840, 6424, 7081, 7300, 7760, 8030, 8536, 9700, 10670, 12848, 14162, 14600, 16060, 17072, 19400, 20075, 21340, 26675, 28324, 29200, 32120, 35405, 38800, 40150, 42680, 53350, 56648, 64240, 70810, 77891, 80300, 85360, 106700, 113296, 141620, 155782, 160600, 177025, 213400, 283240, 311564, 321200, 354050, 389455, 426800, 566480, 623128, 708100, 778910, 1246256, 1416200, 1557820, 1947275, 2832400, 3115640, 3894550, 6231280, 7789100, 15578200, 31156400]

約数ペア:

[(1, 31156400), (2, 15578200), (4, 7789100), (5, 6231280), (8, 3894550), (10, 3115640), (11, 2832400), (16, 1947275), (20, 1557820), (22, 1416200), (25, 1246256), (40, 778910), (44, 708100), (50, 623128), (55, 566480), (73, 426800), (80, 389455), (88, 354050), (97, 321200), (100, 311564), (110, 283240), (146, 213400), (176, 177025), (194, 160600), (200, 155782), (220, 141620), (275, 113296), (292, 106700), (365, 85360), (388, 80300), (400, 77891), (440, 70810), (485, 64240), (550, 56648), (584, 53350), (730, 42680), (776, 40150), (803, 38800), (880, 35405), (970, 32120), (1067, 29200), (1100, 28324), (1168, 26675), (1460, 21340), (1552, 20075), (1606, 19400), (1825, 17072), (1940, 16060), (2134, 14600), (2200, 14162), (2425, 12848), (2920, 10670), (3212, 9700), (3650, 8536), (3880, 8030), (4015, 7760), (4268, 7300), (4400, 7081), (4850, 6424), (5335, 5840)]