490469042

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 894081024

約数和(自身を除く): 403611982

約数列:

[1, 2, 7, 14, 31, 62, 73, 113, 137, 146, 217, 226, 274, 434, 511, 791, 959, 1022, 1582, 1918, 2263, 3503, 4247, 4526, 7006, 8249, 8494, 10001, 15481, 15841, 16498, 20002, 24521, 29729, 30962, 31682, 49042, 57743, 59458, 70007, 108367, 115486, 140014, 216734, 255719, 310031, 479911, 511438, 620062, 959822, 1130113, 1790033, 2170217, 2260226, 3359377, 3580066, 4340434, 6718754, 7910791, 15821582, 35033503, 70067006, 245234521, 490469042]

約数ペア:

[(1, 490469042), (2, 245234521), (7, 70067006), (14, 35033503), (31, 15821582), (62, 7910791), (73, 6718754), (113, 4340434), (137, 3580066), (146, 3359377), (217, 2260226), (226, 2170217), (274, 1790033), (434, 1130113), (511, 959822), (791, 620062), (959, 511438), (1022, 479911), (1582, 310031), (1918, 255719), (2263, 216734), (3503, 140014), (4247, 115486), (4526, 108367), (7006, 70007), (8249, 59458), (8494, 57743), (10001, 49042), (15481, 31682), (15841, 30962), (16498, 29729), (20002, 24521)]