72319900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 166239360

約数和(自身を除く): 93919460

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 569, 620, 775, 820, 1025, 1138, 1271, 1550, 2050, 2276, 2542, 2845, 3100, 4100, 5084, 5690, 6355, 11380, 12710, 14225, 17639, 23329, 25420, 28450, 31775, 35278, 46658, 56900, 63550, 70556, 88195, 93316, 116645, 127100, 176390, 233290, 352780, 440975, 466580, 583225, 723199, 881950, 1166450, 1446398, 1763900, 2332900, 2892796, 3615995, 7231990, 14463980, 18079975, 36159950, 72319900]

約数ペア:

[(1, 72319900), (2, 36159950), (4, 18079975), (5, 14463980), (10, 7231990), (20, 3615995), (25, 2892796), (31, 2332900), (41, 1763900), (50, 1446398), (62, 1166450), (82, 881950), (100, 723199), (124, 583225), (155, 466580), (164, 440975), (205, 352780), (310, 233290), (410, 176390), (569, 127100), (620, 116645), (775, 93316), (820, 88195), (1025, 70556), (1138, 63550), (1271, 56900), (1550, 46658), (2050, 35278), (2276, 31775), (2542, 28450), (2845, 25420), (3100, 23329), (4100, 17639), (5084, 14225), (5690, 12710), (6355, 11380)]