393688360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39847}}^1$

素因数の和:39890

約数の個数: 64

約数和(自身を含む): 1004169600

約数和(自身を除く): 610481240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 39847, 79694, 159388, 199235, 318776, 398470, 518011, 757093, 796940, 1036022, 1514186, 1593880, 2072044, 2590055, 3028372, 3785465, 4144088, 5180110, 6056744, 7570930, 9842209, 10360220, 15141860, 19684418, 20720440, 30283720, 39368836, 49211045, 78737672, 98422090, 196844180, 393688360]

約数ペア:

[(1, 393688360), (2, 196844180), (4, 98422090), (5, 78737672), (8, 49211045), (10, 39368836), (13, 30283720), (19, 20720440), (20, 19684418), (26, 15141860), (38, 10360220), (40, 9842209), (52, 7570930), (65, 6056744), (76, 5180110), (95, 4144088), (104, 3785465), (130, 3028372), (152, 2590055), (190, 2072044), (247, 1593880), (260, 1514186), (380, 1036022), (494, 796940), (520, 757093), (760, 518011), (988, 398470), (1235, 318776), (1976, 199235), (2470, 159388), (4940, 79694), (9880, 39847)]