90493975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 139678560

約数和(自身を除く): 49184585

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 1489, 2431, 3575, 4675, 5525, 7445, 12155, 16379, 19357, 25313, 37225, 60775, 81895, 96785, 126565, 212927, 278443, 329069, 409475, 483925, 632825, 1064635, 1392215, 1645345, 3619759, 5323175, 6961075, 8226725, 18098795, 90493975]

約数ペア:

[(1, 90493975), (5, 18098795), (11, 8226725), (13, 6961075), (17, 5323175), (25, 3619759), (55, 1645345), (65, 1392215), (85, 1064635), (143, 632825), (187, 483925), (221, 409475), (275, 329069), (325, 278443), (425, 212927), (715, 126565), (935, 96785), (1105, 81895), (1489, 60775), (2431, 37225), (3575, 25313), (4675, 19357), (5525, 16379), (7445, 12155)]