15678919700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{75707}}^1$

素因数の和:75849

約数の個数: 72

約数和(自身を含む): 36142999200

約数和(自身を除く): 20464079500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 380, 436, 475, 545, 950, 1090, 1900, 2071, 2180, 2725, 4142, 5450, 8284, 10355, 10900, 20710, 41420, 51775, 75707, 103550, 151414, 207100, 302828, 378535, 757070, 1438433, 1514140, 1892675, 2876866, 3785350, 5753732, 7192165, 7570700, 8252063, 14384330, 16504126, 28768660, 33008252, 35960825, 41260315, 71921650, 82520630, 143843300, 156789197, 165041260, 206301575, 313578394, 412603150, 627156788, 783945985, 825206300, 1567891970, 3135783940, 3919729925, 7839459850, 15678919700]

約数ペア:

[(1, 15678919700), (2, 7839459850), (4, 3919729925), (5, 3135783940), (10, 1567891970), (19, 825206300), (20, 783945985), (25, 627156788), (38, 412603150), (50, 313578394), (76, 206301575), (95, 165041260), (100, 156789197), (109, 143843300), (190, 82520630), (218, 71921650), (380, 41260315), (436, 35960825), (475, 33008252), (545, 28768660), (950, 16504126), (1090, 14384330), (1900, 8252063), (2071, 7570700), (2180, 7192165), (2725, 5753732), (4142, 3785350), (5450, 2876866), (8284, 1892675), (10355, 1514140), (10900, 1438433), (20710, 757070), (41420, 378535), (51775, 302828), (75707, 207100), (103550, 151414)]