28636710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 71470080

約数和(自身を除く): 42833370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 79, 86, 129, 158, 215, 237, 258, 281, 395, 430, 474, 562, 645, 790, 843, 1185, 1290, 1405, 1686, 2370, 2810, 3397, 4215, 6794, 8430, 10191, 12083, 16985, 20382, 22199, 24166, 33970, 36249, 44398, 50955, 60415, 66597, 72498, 101910, 110995, 120830, 133194, 181245, 221990, 332985, 362490, 665970, 954557, 1909114, 2863671, 4772785, 5727342, 9545570, 14318355, 28636710]

約数ペア:

[(1, 28636710), (2, 14318355), (3, 9545570), (5, 5727342), (6, 4772785), (10, 2863671), (15, 1909114), (30, 954557), (43, 665970), (79, 362490), (86, 332985), (129, 221990), (158, 181245), (215, 133194), (237, 120830), (258, 110995), (281, 101910), (395, 72498), (430, 66597), (474, 60415), (562, 50955), (645, 44398), (790, 36249), (843, 33970), (1185, 24166), (1290, 22199), (1405, 20382), (1686, 16985), (2370, 12083), (2810, 10191), (3397, 8430), (4215, 6794)]