287304225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 541884960

約数和(自身を除く): 254580735

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 169, 195, 247, 285, 325, 475, 507, 741, 845, 975, 1193, 1235, 1425, 2535, 3211, 3579, 3705, 4225, 5965, 6175, 9633, 12675, 15509, 16055, 17895, 18525, 22667, 29825, 46527, 48165, 68001, 77545, 80275, 89475, 113335, 201617, 232635, 240825, 294671, 340005, 387725, 566675, 604851, 884013, 1008085, 1163175, 1473355, 1700025, 3024255, 3830723, 4420065, 5040425, 7366775, 11492169, 15121275, 19153615, 22100325, 57460845, 95768075, 287304225]

約数ペア:

[(1, 287304225), (3, 95768075), (5, 57460845), (13, 22100325), (15, 19153615), (19, 15121275), (25, 11492169), (39, 7366775), (57, 5040425), (65, 4420065), (75, 3830723), (95, 3024255), (169, 1700025), (195, 1473355), (247, 1163175), (285, 1008085), (325, 884013), (475, 604851), (507, 566675), (741, 387725), (845, 340005), (975, 294671), (1193, 240825), (1235, 232635), (1425, 201617), (2535, 113335), (3211, 89475), (3579, 80275), (3705, 77545), (4225, 68001), (5965, 48165), (6175, 46527), (9633, 29825), (12675, 22667), (15509, 18525), (16055, 17895)]