3108269375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 4402965600

約数和(自身を除く): 1294696225

約数列:

[1, 5, 17, 19, 25, 85, 89, 95, 125, 173, 323, 425, 445, 475, 625, 865, 1513, 1615, 1691, 2125, 2225, 2375, 2941, 3287, 4325, 7565, 8075, 8455, 10625, 11125, 11875, 14705, 15397, 16435, 21625, 28747, 37825, 40375, 42275, 55625, 55879, 73525, 76985, 82175, 108125, 143735, 189125, 201875, 211375, 261749, 279395, 292543, 367625, 384925, 410875, 718675, 945625, 1056875, 1308745, 1396975, 1462715, 1838125, 1924625, 2054375, 3593375, 4973231, 6543725, 6984875, 7313575, 9623125, 17966875, 24866155, 32718625, 34924375, 36567875, 124330775, 163593125, 182839375, 621653875, 3108269375]

約数ペア:

[(1, 3108269375), (5, 621653875), (17, 182839375), (19, 163593125), (25, 124330775), (85, 36567875), (89, 34924375), (95, 32718625), (125, 24866155), (173, 17966875), (323, 9623125), (425, 7313575), (445, 6984875), (475, 6543725), (625, 4973231), (865, 3593375), (1513, 2054375), (1615, 1924625), (1691, 1838125), (2125, 1462715), (2225, 1396975), (2375, 1308745), (2941, 1056875), (3287, 945625), (4325, 718675), (7565, 410875), (8075, 384925), (8455, 367625), (10625, 292543), (11125, 279395), (11875, 261749), (14705, 211375), (15397, 201875), (16435, 189125), (21625, 143735), (28747, 108125), (37825, 82175), (40375, 76985), (42275, 73525), (55625, 55879)]