74526820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 159894000

約数和(自身を除く): 85367180

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 281, 298, 356, 445, 562, 596, 745, 890, 1124, 1405, 1490, 1780, 2810, 2980, 5620, 13261, 25009, 26522, 41869, 50018, 53044, 66305, 83738, 100036, 125045, 132610, 167476, 209345, 250090, 265220, 418690, 500180, 837380, 3726341, 7452682, 14905364, 18631705, 37263410, 74526820]

約数ペア:

[(1, 74526820), (2, 37263410), (4, 18631705), (5, 14905364), (10, 7452682), (20, 3726341), (89, 837380), (149, 500180), (178, 418690), (281, 265220), (298, 250090), (356, 209345), (445, 167476), (562, 132610), (596, 125045), (745, 100036), (890, 83738), (1124, 66305), (1405, 53044), (1490, 50018), (1780, 41869), (2810, 26522), (2980, 25009), (5620, 13261)]