2804900150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139201}}^1$

素因数の和:139257

約数の個数: 48

約数和(自身を含む): 5799712128

約数和(自身を除く): 2994811978

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 20150, 139201, 278402, 696005, 1392010, 1809613, 3480025, 3619226, 4315231, 6960050, 8630462, 9048065, 18096130, 21576155, 43152310, 45240325, 56098003, 90480650, 107880775, 112196006, 215761550, 280490015, 560980030, 1402450075, 2804900150]

約数ペア:

[(1, 2804900150), (2, 1402450075), (5, 560980030), (10, 280490015), (13, 215761550), (25, 112196006), (26, 107880775), (31, 90480650), (50, 56098003), (62, 45240325), (65, 43152310), (130, 21576155), (155, 18096130), (310, 9048065), (325, 8630462), (403, 6960050), (650, 4315231), (775, 3619226), (806, 3480025), (1550, 1809613), (2015, 1392010), (4030, 696005), (10075, 278402), (20150, 139201)]