488554420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{5669}}^1$

素因数の和:5848

約数の個数: 48

約数和(自身を含む): 1066867200

約数和(自身を除く): 578312780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 4309, 5669, 8618, 11338, 17236, 21545, 22676, 28345, 43090, 56690, 86180, 113380, 175739, 351478, 702956, 787991, 878695, 1575982, 1757390, 3151964, 3514780, 3939955, 7879910, 15759820, 24427721, 48855442, 97710884, 122138605, 244277210, 488554420]

約数ペア:

[(1, 488554420), (2, 244277210), (4, 122138605), (5, 97710884), (10, 48855442), (20, 24427721), (31, 15759820), (62, 7879910), (124, 3939955), (139, 3514780), (155, 3151964), (278, 1757390), (310, 1575982), (556, 878695), (620, 787991), (695, 702956), (1390, 351478), (2780, 175739), (4309, 113380), (5669, 86180), (8618, 56690), (11338, 43090), (17236, 28345), (21545, 22676)]