220163860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{7247}}^1$

素因数の和:7301

約数の個数: 72

約数和(自身を含む): 555254784

約数和(自身を除く): 335090924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7247, 7595, 14494, 15190, 28988, 30380, 36235, 50729, 72470, 101458, 144940, 202916, 224657, 253645, 355103, 449314, 507290, 710206, 898628, 1014580, 1123285, 1420412, 1572599, 1775515, 2246570, 3145198, 3551030, 4493140, 6290396, 7102060, 7862995, 11008193, 15725990, 22016386, 31451980, 44032772, 55040965, 110081930, 220163860]

約数ペア:

[(1, 220163860), (2, 110081930), (4, 55040965), (5, 44032772), (7, 31451980), (10, 22016386), (14, 15725990), (20, 11008193), (28, 7862995), (31, 7102060), (35, 6290396), (49, 4493140), (62, 3551030), (70, 3145198), (98, 2246570), (124, 1775515), (140, 1572599), (155, 1420412), (196, 1123285), (217, 1014580), (245, 898628), (310, 710206), (434, 507290), (490, 449314), (620, 355103), (868, 253645), (980, 224657), (1085, 202916), (1519, 144940), (2170, 101458), (3038, 72470), (4340, 50729), (6076, 36235), (7247, 30380), (7595, 28988), (14494, 15190)]