248643560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18229}}^1$

素因数の和:18282

約数の個数: 64

約数和(自身を含む): 630028800

約数和(自身を除く): 381385240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 18229, 36458, 72916, 91145, 145832, 182290, 200519, 364580, 401038, 565099, 729160, 802076, 1002595, 1130198, 1604152, 2005190, 2260396, 2825495, 4010380, 4520792, 5650990, 6216089, 8020760, 11301980, 12432178, 22603960, 24864356, 31080445, 49728712, 62160890, 124321780, 248643560]

約数ペア:

[(1, 248643560), (2, 124321780), (4, 62160890), (5, 49728712), (8, 31080445), (10, 24864356), (11, 22603960), (20, 12432178), (22, 11301980), (31, 8020760), (40, 6216089), (44, 5650990), (55, 4520792), (62, 4010380), (88, 2825495), (110, 2260396), (124, 2005190), (155, 1604152), (220, 1130198), (248, 1002595), (310, 802076), (341, 729160), (440, 565099), (620, 401038), (682, 364580), (1240, 200519), (1364, 182290), (1705, 145832), (2728, 91145), (3410, 72916), (6820, 36458), (13640, 18229)]