2621940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 7439040

約数和(自身を除く): 4817100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 491, 534, 890, 982, 1068, 1335, 1473, 1780, 1964, 2455, 2670, 2946, 4910, 5340, 5892, 7365, 9820, 14730, 29460, 43699, 87398, 131097, 174796, 218495, 262194, 436990, 524388, 655485, 873980, 1310970, 2621940]

約数ペア:

[(1, 2621940), (2, 1310970), (3, 873980), (4, 655485), (5, 524388), (6, 436990), (10, 262194), (12, 218495), (15, 174796), (20, 131097), (30, 87398), (60, 43699), (89, 29460), (178, 14730), (267, 9820), (356, 7365), (445, 5892), (491, 5340), (534, 4910), (890, 2946), (982, 2670), (1068, 2455), (1335, 1964), (1473, 1780)]