201760900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1231}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 481219200

約数和(自身を除く): 279458300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 149, 220, 275, 298, 550, 596, 745, 1100, 1231, 1490, 1639, 2462, 2980, 3278, 3725, 4924, 6155, 6556, 7450, 8195, 12310, 13541, 14900, 16390, 24620, 27082, 30775, 32780, 40975, 54164, 61550, 67705, 81950, 123100, 135410, 163900, 183419, 270820, 338525, 366838, 677050, 733676, 917095, 1354100, 1834190, 2017609, 3668380, 4035218, 4585475, 8070436, 9170950, 10088045, 18341900, 20176090, 40352180, 50440225, 100880450, 201760900]

約数ペア:

[(1, 201760900), (2, 100880450), (4, 50440225), (5, 40352180), (10, 20176090), (11, 18341900), (20, 10088045), (22, 9170950), (25, 8070436), (44, 4585475), (50, 4035218), (55, 3668380), (100, 2017609), (110, 1834190), (149, 1354100), (220, 917095), (275, 733676), (298, 677050), (550, 366838), (596, 338525), (745, 270820), (1100, 183419), (1231, 163900), (1490, 135410), (1639, 123100), (2462, 81950), (2980, 67705), (3278, 61550), (3725, 54164), (4924, 40975), (6155, 32780), (6556, 30775), (7450, 27082), (8195, 24620), (12310, 16390), (13541, 14900)]