65817140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{457}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 146193600

約数和(自身を除く): 80376460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 457, 758, 914, 1516, 1828, 1895, 2285, 3790, 4570, 7201, 7580, 8683, 9140, 14402, 17366, 28804, 34732, 36005, 43415, 72010, 86830, 144020, 173203, 173660, 346406, 692812, 866015, 1732030, 3290857, 3464060, 6581714, 13163428, 16454285, 32908570, 65817140]

約数ペア:

[(1, 65817140), (2, 32908570), (4, 16454285), (5, 13163428), (10, 6581714), (19, 3464060), (20, 3290857), (38, 1732030), (76, 866015), (95, 692812), (190, 346406), (379, 173660), (380, 173203), (457, 144020), (758, 86830), (914, 72010), (1516, 43415), (1828, 36005), (1895, 34732), (2285, 28804), (3790, 17366), (4570, 14402), (7201, 9140), (7580, 8683)]