90745290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11329}}^1$

素因数の和:11431

約数の個数: 48

約数和(自身を含む): 238609800

約数和(自身を除く): 147864510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 8010, 11329, 22658, 33987, 56645, 67974, 101961, 113290, 169935, 203922, 339870, 509805, 1008281, 1019610, 2016562, 3024843, 5041405, 6049686, 9074529, 10082810, 15124215, 18149058, 30248430, 45372645, 90745290]

約数ペア:

[(1, 90745290), (2, 45372645), (3, 30248430), (5, 18149058), (6, 15124215), (9, 10082810), (10, 9074529), (15, 6049686), (18, 5041405), (30, 3024843), (45, 2016562), (89, 1019610), (90, 1008281), (178, 509805), (267, 339870), (445, 203922), (534, 169935), (801, 113290), (890, 101961), (1335, 67974), (1602, 56645), (2670, 33987), (4005, 22658), (8010, 11329)]