195425240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 260766760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 359, 439, 620, 718, 878, 1240, 1436, 1756, 1795, 2195, 2872, 3512, 3590, 4390, 7180, 8780, 11129, 13609, 14360, 17560, 22258, 27218, 44516, 54436, 55645, 68045, 89032, 108872, 111290, 136090, 157601, 222580, 272180, 315202, 445160, 544360, 630404, 788005, 1260808, 1576010, 3152020, 4885631, 6304040, 9771262, 19542524, 24428155, 39085048, 48856310, 97712620, 195425240]

約数ペア:

[(1, 195425240), (2, 97712620), (4, 48856310), (5, 39085048), (8, 24428155), (10, 19542524), (20, 9771262), (31, 6304040), (40, 4885631), (62, 3152020), (124, 1576010), (155, 1260808), (248, 788005), (310, 630404), (359, 544360), (439, 445160), (620, 315202), (718, 272180), (878, 222580), (1240, 157601), (1436, 136090), (1756, 111290), (1795, 108872), (2195, 89032), (2872, 68045), (3512, 55645), (3590, 54436), (4390, 44516), (7180, 27218), (8780, 22258), (11129, 17560), (13609, 14360)]