25414970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 30468550

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 97, 133, 190, 194, 197, 266, 394, 485, 665, 679, 970, 985, 1330, 1358, 1379, 1843, 1970, 2758, 3395, 3686, 3743, 6790, 6895, 7486, 9215, 12901, 13790, 18430, 18715, 19109, 25802, 26201, 37430, 38218, 52402, 64505, 95545, 129010, 131005, 133763, 191090, 262010, 267526, 363071, 668815, 726142, 1337630, 1815355, 2541497, 3630710, 5082994, 12707485, 25414970]

約数ペア:

[(1, 25414970), (2, 12707485), (5, 5082994), (7, 3630710), (10, 2541497), (14, 1815355), (19, 1337630), (35, 726142), (38, 668815), (70, 363071), (95, 267526), (97, 262010), (133, 191090), (190, 133763), (194, 131005), (197, 129010), (266, 95545), (394, 64505), (485, 52402), (665, 38218), (679, 37430), (970, 26201), (985, 25802), (1330, 19109), (1358, 18715), (1379, 18430), (1843, 13790), (1970, 12901), (2758, 9215), (3395, 7486), (3686, 6895), (3743, 6790)]