17817140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 23430220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 743, 1090, 1199, 1486, 2180, 2398, 2972, 3715, 4796, 5995, 7430, 8173, 11990, 14860, 16346, 23980, 32692, 40865, 80987, 81730, 161974, 163460, 323948, 404935, 809870, 890857, 1619740, 1781714, 3563428, 4454285, 8908570, 17817140]

約数ペア:

[(1, 17817140), (2, 8908570), (4, 4454285), (5, 3563428), (10, 1781714), (11, 1619740), (20, 890857), (22, 809870), (44, 404935), (55, 323948), (109, 163460), (110, 161974), (218, 81730), (220, 80987), (436, 40865), (545, 32692), (743, 23980), (1090, 16346), (1199, 14860), (1486, 11990), (2180, 8173), (2398, 7430), (2972, 5995), (3715, 4796)]