About the Number

201172920

201172919 ← → 201172921

2進数表記:1011111111011010011110111000

漢数字表記:二億百十七万二千九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 13 1 × 43 1 × 2999 1

素因数の和:3069
約数の個数: 128
約数和(自身を含む): 665280000
約数和(自身を除く): 464107080

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 2999, 3354, 4472, 5160, 5590, 5998, 6708, 8385, 8997, 11180, 11996, 13416, 14995, 16770, 17994, 22360, 23992, 29990, 33540, 35988, 38987, 44985, 59980, 67080, 71976, 77974, 89970, 116961, 119960, 128957, 155948, 179940, 194935, 233922, 257914, 311896, 359880, 386871, 389870, 467844, 515828, 584805, 644785, 773742, 779740, 935688, 1031656, 1169610, 1289570, 1547484, 1559480, 1676441, 1934355, 2339220, 2579140, 3094968, 3352882, 3868710, 4678440, 5029323, 5158280, 6705764, 7737420, 8382205, 10058646, 13411528, 15474840, 16764410, 20117292, 25146615, 33528820, 40234584, 50293230, 67057640, 100586460, 201172920]

約数ペア:
[(1, 201172920), (2, 100586460), (3, 67057640), (4, 50293230), (5, 40234584), (6, 33528820), (8, 25146615), (10, 20117292), (12, 16764410), (13, 15474840), (15, 13411528), (20, 10058646), (24, 8382205), (26, 7737420), (30, 6705764), (39, 5158280), (40, 5029323), (43, 4678440), (52, 3868710), (60, 3352882), (65, 3094968), (78, 2579140), (86, 2339220), (104, 1934355), (120, 1676441), (129, 1559480), (130, 1547484), (156, 1289570), (172, 1169610), (195, 1031656), (215, 935688), (258, 779740), (260, 773742), (312, 644785), (344, 584805), (390, 515828), (430, 467844), (516, 389870), (520, 386871), (559, 359880), (645, 311896), (780, 257914), (860, 233922), (1032, 194935), (1118, 179940), (1290, 155948), (1560, 128957), (1677, 119960), (1720, 116961), (2236, 89970), (2580, 77974), (2795, 71976), (2999, 67080), (3354, 59980), (4472, 44985), (5160, 38987), (5590, 35988), (5998, 33540), (6708, 29990), (8385, 23992), (8997, 22360), (11180, 17994), (11996, 16770), (13416, 14995)]

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