199720347880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1\times {\mathrm{148783}}^1$

素因数の和:149738

約数の個数: 64

約数和(自身を含む): 462027882240

約数和(自身を除く): 262307534360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 907, 1480, 1814, 3628, 4535, 7256, 9070, 18140, 33559, 36280, 67118, 134236, 148783, 167795, 268472, 297566, 335590, 595132, 671180, 743915, 1190264, 1342360, 1487830, 2975660, 5504971, 5951320, 11009942, 22019884, 27524855, 44039768, 55049710, 110099420, 134946181, 220198840, 269892362, 539784724, 674730905, 1079569448, 1349461810, 2698923620, 4993008697, 5397847240, 9986017394, 19972034788, 24965043485, 39944069576, 49930086970, 99860173940, 199720347880]

約数ペア:

[(1, 199720347880), (2, 99860173940), (4, 49930086970), (5, 39944069576), (8, 24965043485), (10, 19972034788), (20, 9986017394), (37, 5397847240), (40, 4993008697), (74, 2698923620), (148, 1349461810), (185, 1079569448), (296, 674730905), (370, 539784724), (740, 269892362), (907, 220198840), (1480, 134946181), (1814, 110099420), (3628, 55049710), (4535, 44039768), (7256, 27524855), (9070, 22019884), (18140, 11009942), (33559, 5951320), (36280, 5504971), (67118, 2975660), (134236, 1487830), (148783, 1342360), (167795, 1190264), (268472, 743915), (297566, 671180), (335590, 595132)]