90018350

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 173091600

約数和(自身を除く): 83073250

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 149, 215, 281, 298, 430, 562, 745, 1075, 1405, 1490, 2150, 2810, 3725, 6407, 7025, 7450, 12083, 12814, 14050, 24166, 32035, 41869, 60415, 64070, 83738, 120830, 160175, 209345, 302075, 320350, 418690, 604150, 1046725, 1800367, 2093450, 3600734, 9001835, 18003670, 45009175, 90018350]

約数ペア:

[(1, 90018350), (2, 45009175), (5, 18003670), (10, 9001835), (25, 3600734), (43, 2093450), (50, 1800367), (86, 1046725), (149, 604150), (215, 418690), (281, 320350), (298, 302075), (430, 209345), (562, 160175), (745, 120830), (1075, 83738), (1405, 64070), (1490, 60415), (2150, 41869), (2810, 32035), (3725, 24166), (6407, 14050), (7025, 12814), (7450, 12083)]