289193375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 409473792

約数和(自身を除く): 120280417

約数列:

[1, 5, 17, 23, 25, 61, 85, 97, 115, 125, 305, 391, 425, 485, 575, 1037, 1403, 1525, 1649, 1955, 2125, 2231, 2425, 2875, 5185, 5917, 7015, 7625, 8245, 9775, 11155, 12125, 23851, 25925, 29585, 35075, 37927, 41225, 48875, 55775, 100589, 119255, 129625, 136091, 147925, 175375, 189635, 206125, 278875, 502945, 596275, 680455, 739625, 948175, 2313547, 2514725, 2981375, 3402275, 4740875, 11567735, 12573625, 17011375, 57838675, 289193375]

約数ペア:

[(1, 289193375), (5, 57838675), (17, 17011375), (23, 12573625), (25, 11567735), (61, 4740875), (85, 3402275), (97, 2981375), (115, 2514725), (125, 2313547), (305, 948175), (391, 739625), (425, 680455), (485, 596275), (575, 502945), (1037, 278875), (1403, 206125), (1525, 189635), (1649, 175375), (1955, 147925), (2125, 136091), (2231, 129625), (2425, 119255), (2875, 100589), (5185, 55775), (5917, 48875), (7015, 41225), (7625, 37927), (8245, 35075), (9775, 29585), (11155, 25925), (12125, 23851)]