221435820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1230199}}^1$

素因数の和:1230214

約数の個数: 36

約数和(自身を含む): 671689200

約数和(自身を除く): 450253380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1230199, 2460398, 3690597, 4920796, 6150995, 7381194, 11071791, 12301990, 14762388, 18452985, 22143582, 24603980, 36905970, 44287164, 55358955, 73811940, 110717910, 221435820]

約数ペア:

[(1, 221435820), (2, 110717910), (3, 73811940), (4, 55358955), (5, 44287164), (6, 36905970), (9, 24603980), (10, 22143582), (12, 18452985), (15, 14762388), (18, 12301990), (20, 11071791), (30, 7381194), (36, 6150995), (45, 4920796), (60, 3690597), (90, 2460398), (180, 1230199)]