220987000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 566092800

約数和(自身を除く): 345105800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 89, 100, 104, 125, 130, 178, 191, 200, 250, 260, 325, 356, 382, 445, 500, 520, 650, 712, 764, 890, 955, 1000, 1157, 1300, 1528, 1625, 1780, 1910, 2225, 2314, 2483, 2600, 3250, 3560, 3820, 4450, 4628, 4775, 4966, 5785, 6500, 7640, 8900, 9256, 9550, 9932, 11125, 11570, 12415, 13000, 16999, 17800, 19100, 19864, 22250, 23140, 23875, 24830, 28925, 33998, 38200, 44500, 46280, 47750, 49660, 57850, 62075, 67996, 84995, 89000, 95500, 99320, 115700, 124150, 135992, 144625, 169990, 191000, 220987, 231400, 248300, 289250, 310375, 339980, 424975, 441974, 496600, 578500, 620750, 679960, 849950, 883948, 1104935, 1157000, 1241500, 1699900, 1767896, 2124875, 2209870, 2483000, 3399800, 4249750, 4419740, 5524675, 8499500, 8839480, 11049350, 16999000, 22098700, 27623375, 44197400, 55246750, 110493500, 220987000]

約数ペア:

[(1, 220987000), (2, 110493500), (4, 55246750), (5, 44197400), (8, 27623375), (10, 22098700), (13, 16999000), (20, 11049350), (25, 8839480), (26, 8499500), (40, 5524675), (50, 4419740), (52, 4249750), (65, 3399800), (89, 2483000), (100, 2209870), (104, 2124875), (125, 1767896), (130, 1699900), (178, 1241500), (191, 1157000), (200, 1104935), (250, 883948), (260, 849950), (325, 679960), (356, 620750), (382, 578500), (445, 496600), (500, 441974), (520, 424975), (650, 339980), (712, 310375), (764, 289250), (890, 248300), (955, 231400), (1000, 220987), (1157, 191000), (1300, 169990), (1528, 144625), (1625, 135992), (1780, 124150), (1910, 115700), (2225, 99320), (2314, 95500), (2483, 89000), (2600, 84995), (3250, 67996), (3560, 62075), (3820, 57850), (4450, 49660), (4628, 47750), (4775, 46280), (4966, 44500), (5785, 38200), (6500, 33998), (7640, 28925), (8900, 24830), (9256, 23875), (9550, 23140), (9932, 22250), (11125, 19864), (11570, 19100), (12415, 17800), (13000, 16999)]