157400560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103553}}^1$

素因数の和:103585

約数の個数: 40

約数和(自身を含む): 385220880

約数和(自身を除く): 227820320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 103553, 207106, 414212, 517765, 828424, 1035530, 1656848, 1967507, 2071060, 3935014, 4142120, 7870028, 8284240, 9837535, 15740056, 19675070, 31480112, 39350140, 78700280, 157400560]

約数ペア:

[(1, 157400560), (2, 78700280), (4, 39350140), (5, 31480112), (8, 19675070), (10, 15740056), (16, 9837535), (19, 8284240), (20, 7870028), (38, 4142120), (40, 3935014), (76, 2071060), (80, 1967507), (95, 1656848), (152, 1035530), (190, 828424), (304, 517765), (380, 414212), (760, 207106), (1520, 103553)]