458780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 1149120

約数和(自身を除く): 690340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 113, 116, 140, 145, 203, 226, 290, 406, 452, 565, 580, 791, 812, 1015, 1130, 1582, 2030, 2260, 3164, 3277, 3955, 4060, 6554, 7910, 13108, 15820, 16385, 22939, 32770, 45878, 65540, 91756, 114695, 229390, 458780]

約数ペア:

[(1, 458780), (2, 229390), (4, 114695), (5, 91756), (7, 65540), (10, 45878), (14, 32770), (20, 22939), (28, 16385), (29, 15820), (35, 13108), (58, 7910), (70, 6554), (113, 4060), (116, 3955), (140, 3277), (145, 3164), (203, 2260), (226, 2030), (290, 1582), (406, 1130), (452, 1015), (565, 812), (580, 791)]