204616100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1471}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 482969088

約数和(自身を除く): 278352988

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 107, 130, 214, 260, 325, 428, 535, 650, 1070, 1300, 1391, 1471, 2140, 2675, 2782, 2942, 5350, 5564, 5884, 6955, 7355, 10700, 13910, 14710, 19123, 27820, 29420, 34775, 36775, 38246, 69550, 73550, 76492, 95615, 139100, 147100, 157397, 191230, 314794, 382460, 478075, 629588, 786985, 956150, 1573970, 1912300, 2046161, 3147940, 3934925, 4092322, 7869850, 8184644, 10230805, 15739700, 20461610, 40923220, 51154025, 102308050, 204616100]

約数ペア:

[(1, 204616100), (2, 102308050), (4, 51154025), (5, 40923220), (10, 20461610), (13, 15739700), (20, 10230805), (25, 8184644), (26, 7869850), (50, 4092322), (52, 3934925), (65, 3147940), (100, 2046161), (107, 1912300), (130, 1573970), (214, 956150), (260, 786985), (325, 629588), (428, 478075), (535, 382460), (650, 314794), (1070, 191230), (1300, 157397), (1391, 147100), (1471, 139100), (2140, 95615), (2675, 76492), (2782, 73550), (2942, 69550), (5350, 38246), (5564, 36775), (5884, 34775), (6955, 29420), (7355, 27820), (10700, 19123), (13910, 14710)]