2018989725

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{5659}}^1$

素因数の和:5810

約数の個数: 48

約数和(自身を含む): 3436208640

約数和(自身を除く): 1417218915

約数列:

[1, 3, 5, 15, 25, 67, 71, 75, 201, 213, 335, 355, 1005, 1065, 1675, 1775, 4757, 5025, 5325, 5659, 14271, 16977, 23785, 28295, 71355, 84885, 118925, 141475, 356775, 379153, 401789, 424425, 1137459, 1205367, 1895765, 2008945, 5687295, 6026835, 9478825, 10044725, 26919863, 28436475, 30134175, 80759589, 134599315, 403797945, 672996575, 2018989725]

約数ペア:

[(1, 2018989725), (3, 672996575), (5, 403797945), (15, 134599315), (25, 80759589), (67, 30134175), (71, 28436475), (75, 26919863), (201, 10044725), (213, 9478825), (335, 6026835), (355, 5687295), (1005, 2008945), (1065, 1895765), (1675, 1205367), (1775, 1137459), (4757, 424425), (5025, 401789), (5325, 379153), (5659, 356775), (14271, 141475), (16977, 118925), (23785, 84885), (28295, 71355)]