238342000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 633709440

約数和(自身を除く): 395367440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 89, 100, 103, 104, 125, 130, 178, 200, 206, 208, 250, 260, 325, 356, 400, 412, 445, 500, 515, 520, 650, 712, 824, 890, 1000, 1030, 1040, 1157, 1300, 1339, 1424, 1625, 1648, 1780, 2000, 2060, 2225, 2314, 2575, 2600, 2678, 3250, 3560, 4120, 4450, 4628, 5150, 5200, 5356, 5785, 6500, 6695, 7120, 8240, 8900, 9167, 9256, 10300, 10712, 11125, 11570, 12875, 13000, 13390, 17800, 18334, 18512, 20600, 21424, 22250, 23140, 25750, 26000, 26780, 28925, 33475, 35600, 36668, 41200, 44500, 45835, 46280, 51500, 53560, 57850, 66950, 73336, 89000, 91670, 92560, 103000, 107120, 115700, 119171, 133900, 144625, 146672, 167375, 178000, 183340, 206000, 229175, 231400, 238342, 267800, 289250, 334750, 366680, 458350, 462800, 476684, 535600, 578500, 595855, 669500, 733360, 916700, 953368, 1145875, 1157000, 1191710, 1339000, 1833400, 1906736, 2291750, 2314000, 2383420, 2678000, 2979275, 3666800, 4583500, 4766840, 5958550, 9167000, 9533680, 11917100, 14896375, 18334000, 23834200, 29792750, 47668400, 59585500, 119171000, 238342000]

約数ペア:

[(1, 238342000), (2, 119171000), (4, 59585500), (5, 47668400), (8, 29792750), (10, 23834200), (13, 18334000), (16, 14896375), (20, 11917100), (25, 9533680), (26, 9167000), (40, 5958550), (50, 4766840), (52, 4583500), (65, 3666800), (80, 2979275), (89, 2678000), (100, 2383420), (103, 2314000), (104, 2291750), (125, 1906736), (130, 1833400), (178, 1339000), (200, 1191710), (206, 1157000), (208, 1145875), (250, 953368), (260, 916700), (325, 733360), (356, 669500), (400, 595855), (412, 578500), (445, 535600), (500, 476684), (515, 462800), (520, 458350), (650, 366680), (712, 334750), (824, 289250), (890, 267800), (1000, 238342), (1030, 231400), (1040, 229175), (1157, 206000), (1300, 183340), (1339, 178000), (1424, 167375), (1625, 146672), (1648, 144625), (1780, 133900), (2000, 119171), (2060, 115700), (2225, 107120), (2314, 103000), (2575, 92560), (2600, 91670), (2678, 89000), (3250, 73336), (3560, 66950), (4120, 57850), (4450, 53560), (4628, 51500), (5150, 46280), (5200, 45835), (5356, 44500), (5785, 41200), (6500, 36668), (6695, 35600), (7120, 33475), (8240, 28925), (8900, 26780), (9167, 26000), (9256, 25750), (10300, 23140), (10712, 22250), (11125, 21424), (11570, 20600), (12875, 18512), (13000, 18334), (13390, 17800)]