1608923420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{325693}}^1$

素因数の和:325734

約数の個数: 48

約数和(自身を含む): 3830161440

約数和(自身を除く): 2221238020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 325693, 651386, 1302772, 1628465, 3256930, 4234009, 6188167, 6513860, 8468018, 12376334, 16936036, 21170045, 24752668, 30940835, 42340090, 61881670, 80446171, 84680180, 123763340, 160892342, 321784684, 402230855, 804461710, 1608923420]

約数ペア:

[(1, 1608923420), (2, 804461710), (4, 402230855), (5, 321784684), (10, 160892342), (13, 123763340), (19, 84680180), (20, 80446171), (26, 61881670), (38, 42340090), (52, 30940835), (65, 24752668), (76, 21170045), (95, 16936036), (130, 12376334), (190, 8468018), (247, 6513860), (260, 6188167), (380, 4234009), (494, 3256930), (988, 1628465), (1235, 1302772), (2470, 651386), (4940, 325693)]