315037970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{1423}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 619166592

約数和(自身を除く): 304128622

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 169, 262, 338, 655, 845, 1310, 1423, 1690, 1703, 2846, 3406, 7115, 8515, 14230, 17030, 18499, 22139, 36998, 44278, 92495, 110695, 184990, 186413, 221390, 240487, 372826, 480974, 932065, 1202435, 1864130, 2404870, 2423369, 4846738, 12116845, 24233690, 31503797, 63007594, 157518985, 315037970]

約数ペア:

[(1, 315037970), (2, 157518985), (5, 63007594), (10, 31503797), (13, 24233690), (26, 12116845), (65, 4846738), (130, 2423369), (131, 2404870), (169, 1864130), (262, 1202435), (338, 932065), (655, 480974), (845, 372826), (1310, 240487), (1423, 221390), (1690, 186413), (1703, 184990), (2846, 110695), (3406, 92495), (7115, 44278), (8515, 36998), (14230, 22139), (17030, 18499)]