122020780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1511

約数の個数: 72

約数和(自身を含む): 301644000

約数和(自身を除く): 179623220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1399, 1780, 2492, 2798, 3115, 4361, 5596, 6230, 6995, 8722, 9793, 12460, 13990, 17444, 19586, 21805, 27980, 39172, 43610, 48965, 68551, 87220, 97930, 124511, 137102, 195860, 249022, 274204, 342755, 498044, 622555, 685510, 871577, 1245110, 1371020, 1743154, 2490220, 3486308, 4357885, 6101039, 8715770, 12202078, 17431540, 24404156, 30505195, 61010390, 122020780]

約数ペア:

[(1, 122020780), (2, 61010390), (4, 30505195), (5, 24404156), (7, 17431540), (10, 12202078), (14, 8715770), (20, 6101039), (28, 4357885), (35, 3486308), (49, 2490220), (70, 1743154), (89, 1371020), (98, 1245110), (140, 871577), (178, 685510), (196, 622555), (245, 498044), (356, 342755), (445, 274204), (490, 249022), (623, 195860), (890, 137102), (980, 124511), (1246, 97930), (1399, 87220), (1780, 68551), (2492, 48965), (2798, 43610), (3115, 39172), (4361, 27980), (5596, 21805), (6230, 19586), (6995, 17444), (8722, 13990), (9793, 12460)]