69890810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 142300800

約数和(自身を除く): 72409990

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 89, 110, 118, 121, 178, 242, 295, 445, 590, 605, 649, 890, 979, 1210, 1298, 1331, 1958, 2662, 3245, 4895, 5251, 6490, 6655, 7139, 9790, 10502, 10769, 13310, 14278, 21538, 26255, 35695, 52510, 53845, 57761, 71390, 78529, 107690, 115522, 118459, 157058, 236918, 288805, 392645, 577610, 592295, 635371, 785290, 1184590, 1270742, 3176855, 6353710, 6989081, 13978162, 34945405, 69890810]

約数ペア:

[(1, 69890810), (2, 34945405), (5, 13978162), (10, 6989081), (11, 6353710), (22, 3176855), (55, 1270742), (59, 1184590), (89, 785290), (110, 635371), (118, 592295), (121, 577610), (178, 392645), (242, 288805), (295, 236918), (445, 157058), (590, 118459), (605, 115522), (649, 107690), (890, 78529), (979, 71390), (1210, 57761), (1298, 53845), (1331, 52510), (1958, 35695), (2662, 26255), (3245, 21538), (4895, 14278), (5251, 13310), (6490, 10769), (6655, 10502), (7139, 9790)]