306943970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{9601}}^1$

素因数の和:9770

約数の個数: 32

約数和(自身を含む): 580728960

約数和(自身を除く): 273784990

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 1390, 3197, 6394, 9601, 15985, 19202, 31970, 48005, 96010, 220823, 441646, 1104115, 1334539, 2208230, 2669078, 6672695, 13345390, 30694397, 61388794, 153471985, 306943970]

約数ペア:

[(1, 306943970), (2, 153471985), (5, 61388794), (10, 30694397), (23, 13345390), (46, 6672695), (115, 2669078), (139, 2208230), (230, 1334539), (278, 1104115), (695, 441646), (1390, 220823), (3197, 96010), (6394, 48005), (9601, 31970), (15985, 19202)]