205410019750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{13399}}^1$

素因数の和:13571

約数の個数: 128

約数和(自身を含む): 426692448000

約数和(自身を除く): 221282428250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 89, 106, 125, 130, 178, 250, 265, 325, 445, 530, 650, 689, 890, 1157, 1325, 1378, 1625, 2225, 2314, 2650, 3250, 3445, 4450, 4717, 5785, 6625, 6890, 9434, 11125, 11570, 13250, 13399, 17225, 22250, 23585, 26798, 28925, 34450, 47170, 57850, 61321, 66995, 86125, 117925, 122642, 133990, 144625, 172250, 174187, 235850, 289250, 306605, 334975, 348374, 589625, 613210, 669950, 710147, 870935, 1179250, 1192511, 1420294, 1533025, 1674875, 1741870, 2385022, 3066050, 3349750, 3550735, 4354675, 5962555, 7101470, 7665125, 8709350, 9231911, 11925110, 15330250, 15502643, 17753675, 18463822, 21773375, 29812775, 31005286, 35507350, 43546750, 46159555, 59625550, 63203083, 77513215, 88768375, 92319110, 126406166, 149063875, 155026430, 177536750, 230797775, 298127750, 316015415, 387566075, 461595550, 632030830, 775132150, 821640079, 1153988875, 1580077075, 1643280158, 1937830375, 2307977750, 3160154150, 3875660750, 4108200395, 7900385375, 8216400790, 15800770750, 20541001975, 41082003950, 102705009875, 205410019750]

約数ペア:

[(1, 205410019750), (2, 102705009875), (5, 41082003950), (10, 20541001975), (13, 15800770750), (25, 8216400790), (26, 7900385375), (50, 4108200395), (53, 3875660750), (65, 3160154150), (89, 2307977750), (106, 1937830375), (125, 1643280158), (130, 1580077075), (178, 1153988875), (250, 821640079), (265, 775132150), (325, 632030830), (445, 461595550), (530, 387566075), (650, 316015415), (689, 298127750), (890, 230797775), (1157, 177536750), (1325, 155026430), (1378, 149063875), (1625, 126406166), (2225, 92319110), (2314, 88768375), (2650, 77513215), (3250, 63203083), (3445, 59625550), (4450, 46159555), (4717, 43546750), (5785, 35507350), (6625, 31005286), (6890, 29812775), (9434, 21773375), (11125, 18463822), (11570, 17753675), (13250, 15502643), (13399, 15330250), (17225, 11925110), (22250, 9231911), (23585, 8709350), (26798, 7665125), (28925, 7101470), (34450, 5962555), (47170, 4354675), (57850, 3550735), (61321, 3349750), (66995, 3066050), (86125, 2385022), (117925, 1741870), (122642, 1674875), (133990, 1533025), (144625, 1420294), (172250, 1192511), (174187, 1179250), (235850, 870935), (289250, 710147), (306605, 669950), (334975, 613210), (348374, 589625)]