202478980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2761

約数の個数: 72

約数和(自身を含む): 482630400

約数和(自身を除く): 280151420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 2699, 3410, 3751, 5398, 6820, 7502, 10796, 13495, 15004, 18755, 26990, 29689, 37510, 53980, 59378, 75020, 83669, 118756, 148445, 167338, 296890, 326579, 334676, 418345, 593780, 653158, 836690, 920359, 1306316, 1632895, 1673380, 1840718, 3265790, 3681436, 4601795, 6531580, 9203590, 10123949, 18407180, 20247898, 40495796, 50619745, 101239490, 202478980]

約数ペア:

[(1, 202478980), (2, 101239490), (4, 50619745), (5, 40495796), (10, 20247898), (11, 18407180), (20, 10123949), (22, 9203590), (31, 6531580), (44, 4601795), (55, 3681436), (62, 3265790), (110, 1840718), (121, 1673380), (124, 1632895), (155, 1306316), (220, 920359), (242, 836690), (310, 653158), (341, 593780), (484, 418345), (605, 334676), (620, 326579), (682, 296890), (1210, 167338), (1364, 148445), (1705, 118756), (2420, 83669), (2699, 75020), (3410, 59378), (3751, 53980), (5398, 37510), (6820, 29689), (7502, 26990), (10796, 18755), (13495, 15004)]