195901940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2801}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 444845520

約数和(自身を除く): 248943580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 2801, 3497, 5380, 5602, 6994, 11204, 13988, 14005, 17485, 28010, 34970, 36413, 56020, 69940, 72826, 145652, 182065, 364130, 728260, 753469, 1506938, 3013876, 3767345, 7534690, 9795097, 15069380, 19590194, 39180388, 48975485, 97950970, 195901940]

約数ペア:

[(1, 195901940), (2, 97950970), (4, 48975485), (5, 39180388), (10, 19590194), (13, 15069380), (20, 9795097), (26, 7534690), (52, 3767345), (65, 3013876), (130, 1506938), (260, 753469), (269, 728260), (538, 364130), (1076, 182065), (1345, 145652), (2690, 72826), (2801, 69940), (3497, 56020), (5380, 36413), (5602, 34970), (6994, 28010), (11204, 17485), (13988, 14005)]