42253420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 97524000

約数和(自身を除く): 55270580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1289, 1490, 1639, 2578, 2980, 3278, 5156, 6445, 6556, 8195, 12890, 14179, 16390, 25780, 28358, 32780, 56716, 70895, 141790, 192061, 283580, 384122, 768244, 960305, 1920610, 2112671, 3841220, 4225342, 8450684, 10563355, 21126710, 42253420]

約数ペア:

[(1, 42253420), (2, 21126710), (4, 10563355), (5, 8450684), (10, 4225342), (11, 3841220), (20, 2112671), (22, 1920610), (44, 960305), (55, 768244), (110, 384122), (149, 283580), (220, 192061), (298, 141790), (596, 70895), (745, 56716), (1289, 32780), (1490, 28358), (1639, 25780), (2578, 16390), (2980, 14179), (3278, 12890), (5156, 8195), (6445, 6556)]