280981428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19793}}^1$

素因数の和:19833

約数の個数: 72

約数和(自身を含む): 811395648

約数和(自身を除く): 530414220

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 2028, 2366, 3549, 4732, 7098, 14196, 19793, 39586, 59379, 79172, 118758, 138551, 237516, 257309, 277102, 415653, 514618, 554204, 771927, 831306, 1029236, 1543854, 1662612, 1801163, 3087708, 3345017, 3602326, 5403489, 6690034, 7204652, 10035051, 10806978, 13380068, 20070102, 21613956, 23415119, 40140204, 46830238, 70245357, 93660476, 140490714, 280981428]

約数ペア:

[(1, 280981428), (2, 140490714), (3, 93660476), (4, 70245357), (6, 46830238), (7, 40140204), (12, 23415119), (13, 21613956), (14, 20070102), (21, 13380068), (26, 10806978), (28, 10035051), (39, 7204652), (42, 6690034), (52, 5403489), (78, 3602326), (84, 3345017), (91, 3087708), (156, 1801163), (169, 1662612), (182, 1543854), (273, 1029236), (338, 831306), (364, 771927), (507, 554204), (546, 514618), (676, 415653), (1014, 277102), (1092, 257309), (1183, 237516), (2028, 138551), (2366, 118758), (3549, 79172), (4732, 59379), (7098, 39586), (14196, 19793)]