7521220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 18643968

約数和(自身を除く): 11122748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1733, 2170, 3466, 4340, 6932, 8665, 12131, 17330, 24262, 34660, 48524, 53723, 60655, 107446, 121310, 214892, 242620, 268615, 376061, 537230, 752122, 1074460, 1504244, 1880305, 3760610, 7521220]

約数ペア:

[(1, 7521220), (2, 3760610), (4, 1880305), (5, 1504244), (7, 1074460), (10, 752122), (14, 537230), (20, 376061), (28, 268615), (31, 242620), (35, 214892), (62, 121310), (70, 107446), (124, 60655), (140, 53723), (155, 48524), (217, 34660), (310, 24262), (434, 17330), (620, 12131), (868, 8665), (1085, 6932), (1733, 4340), (2170, 3466)]