3649940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 9364992

約数和(自身を除く): 5715052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 290, 310, 406, 434, 580, 620, 812, 841, 868, 899, 1015, 1085, 1682, 1798, 2030, 2170, 3364, 3596, 4060, 4205, 4340, 4495, 5887, 6293, 8410, 8990, 11774, 12586, 16820, 17980, 23548, 25172, 26071, 29435, 31465, 52142, 58870, 62930, 104284, 117740, 125860, 130355, 182497, 260710, 364994, 521420, 729988, 912485, 1824970, 3649940]

約数ペア:

[(1, 3649940), (2, 1824970), (4, 912485), (5, 729988), (7, 521420), (10, 364994), (14, 260710), (20, 182497), (28, 130355), (29, 125860), (31, 117740), (35, 104284), (58, 62930), (62, 58870), (70, 52142), (116, 31465), (124, 29435), (140, 26071), (145, 25172), (155, 23548), (203, 17980), (217, 16820), (290, 12586), (310, 11774), (406, 8990), (434, 8410), (580, 6293), (620, 5887), (812, 4495), (841, 4340), (868, 4205), (899, 4060), (1015, 3596), (1085, 3364), (1682, 2170), (1798, 2030)]