509880540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653693}}^1$

素因数の和:653718

約数の個数: 48

約数和(自身を含む): 1537488288

約数和(自身を除く): 1027607748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 653693, 1307386, 1961079, 2614772, 3268465, 3922158, 6536930, 7844316, 8498009, 9805395, 13073860, 16996018, 19610790, 25494027, 33992036, 39221580, 42490045, 50988054, 84980090, 101976108, 127470135, 169960180, 254940270, 509880540]

約数ペア:

[(1, 509880540), (2, 254940270), (3, 169960180), (4, 127470135), (5, 101976108), (6, 84980090), (10, 50988054), (12, 42490045), (13, 39221580), (15, 33992036), (20, 25494027), (26, 19610790), (30, 16996018), (39, 13073860), (52, 9805395), (60, 8498009), (65, 7844316), (78, 6536930), (130, 3922158), (156, 3268465), (195, 2614772), (260, 1961079), (390, 1307386), (780, 653693)]