490420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 1225728

約数和(自身を除く): 735308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 113, 124, 140, 155, 217, 226, 310, 434, 452, 565, 620, 791, 868, 1085, 1130, 1582, 2170, 2260, 3164, 3503, 3955, 4340, 7006, 7910, 14012, 15820, 17515, 24521, 35030, 49042, 70060, 98084, 122605, 245210, 490420]

約数ペア:

[(1, 490420), (2, 245210), (4, 122605), (5, 98084), (7, 70060), (10, 49042), (14, 35030), (20, 24521), (28, 17515), (31, 15820), (35, 14012), (62, 7910), (70, 7006), (113, 4340), (124, 3955), (140, 3503), (155, 3164), (217, 2260), (226, 2170), (310, 1582), (434, 1130), (452, 1085), (565, 868), (620, 791)]