156929987890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{761}}^1\times {\mathrm{122021}}^1$

素因数の和:122815

約数の個数: 48

約数和(自身を含む): 306278636616

約数和(自身を除く): 149348648726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 761, 845, 1522, 1690, 3805, 7610, 9893, 19786, 49465, 98930, 122021, 128609, 244042, 257218, 610105, 643045, 1220210, 1286090, 1586273, 3172546, 7931365, 15862730, 20621549, 41243098, 92857981, 103107745, 185715962, 206215490, 464289905, 928579810, 1207153753, 2414307506, 6035768765, 12071537530, 15692998789, 31385997578, 78464993945, 156929987890]

約数ペア:

[(1, 156929987890), (2, 78464993945), (5, 31385997578), (10, 15692998789), (13, 12071537530), (26, 6035768765), (65, 2414307506), (130, 1207153753), (169, 928579810), (338, 464289905), (761, 206215490), (845, 185715962), (1522, 103107745), (1690, 92857981), (3805, 41243098), (7610, 20621549), (9893, 15862730), (19786, 7931365), (49465, 3172546), (98930, 1586273), (122021, 1286090), (128609, 1220210), (244042, 643045), (257218, 610105)]