220912188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{2393}}^1$

素因数の和:2571

約数の個数: 72

約数和(自身を含む): 603690192

約数和(自身を除く): 382778004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 294, 314, 471, 588, 628, 942, 1099, 1884, 2198, 2393, 3297, 4396, 4786, 6594, 7179, 7693, 9572, 13188, 14358, 15386, 16751, 23079, 28716, 30772, 33502, 46158, 50253, 67004, 92316, 100506, 117257, 201012, 234514, 351771, 375701, 469028, 703542, 751402, 1127103, 1407084, 1502804, 2254206, 2629907, 4508412, 5259814, 7889721, 10519628, 15779442, 18409349, 31558884, 36818698, 55228047, 73637396, 110456094, 220912188]

約数ペア:

[(1, 220912188), (2, 110456094), (3, 73637396), (4, 55228047), (6, 36818698), (7, 31558884), (12, 18409349), (14, 15779442), (21, 10519628), (28, 7889721), (42, 5259814), (49, 4508412), (84, 2629907), (98, 2254206), (147, 1502804), (157, 1407084), (196, 1127103), (294, 751402), (314, 703542), (471, 469028), (588, 375701), (628, 351771), (942, 234514), (1099, 201012), (1884, 117257), (2198, 100506), (2393, 92316), (3297, 67004), (4396, 50253), (4786, 46158), (6594, 33502), (7179, 30772), (7693, 28716), (9572, 23079), (13188, 16751), (14358, 15386)]