163450140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389167}}^1$

素因数の和:389186

約数の個数: 48

約数和(自身を含む): 523041792

約数和(自身を除く): 359591652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 389167, 778334, 1167501, 1556668, 1945835, 2335002, 2724169, 3891670, 4670004, 5448338, 5837505, 7783340, 8172507, 10896676, 11675010, 13620845, 16345014, 23350020, 27241690, 32690028, 40862535, 54483380, 81725070, 163450140]

約数ペア:

[(1, 163450140), (2, 81725070), (3, 54483380), (4, 40862535), (5, 32690028), (6, 27241690), (7, 23350020), (10, 16345014), (12, 13620845), (14, 11675010), (15, 10896676), (20, 8172507), (21, 7783340), (28, 5837505), (30, 5448338), (35, 4670004), (42, 3891670), (60, 2724169), (70, 2335002), (84, 1945835), (105, 1556668), (140, 1167501), (210, 778334), (420, 389167)]