4190420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5462188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 227, 260, 284, 355, 454, 710, 908, 923, 1135, 1420, 1846, 2270, 2951, 3692, 4540, 4615, 5902, 9230, 11804, 14755, 16117, 18460, 29510, 32234, 59020, 64468, 80585, 161170, 209521, 322340, 419042, 838084, 1047605, 2095210, 4190420]

約数ペア:

[(1, 4190420), (2, 2095210), (4, 1047605), (5, 838084), (10, 419042), (13, 322340), (20, 209521), (26, 161170), (52, 80585), (65, 64468), (71, 59020), (130, 32234), (142, 29510), (227, 18460), (260, 16117), (284, 14755), (355, 11804), (454, 9230), (710, 5902), (908, 4615), (923, 4540), (1135, 3692), (1420, 2951), (1846, 2270)]