28305681775

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{12041}}^1$

素因数の和:12185

約数の個数: 72

約数和(自身を含む): 43407556560

約数和(自身を除く): 15101874785

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 101, 133, 175, 245, 475, 505, 665, 707, 931, 1225, 1919, 2525, 3325, 3535, 4655, 4949, 9595, 12041, 13433, 17675, 23275, 24745, 47975, 60205, 67165, 84287, 94031, 123725, 228779, 301025, 335825, 421435, 470155, 590009, 1143895, 1216141, 1601453, 2107175, 2350775, 2950045, 5719475, 6080705, 8007265, 8512987, 11210171, 14750225, 23106679, 30403525, 40036325, 42564935, 56050855, 59590909, 115533395, 161746753, 212824675, 280254275, 297954545, 577666975, 808733765, 1132227271, 1489772725, 4043668825, 5661136355, 28305681775]

約数ペア:

[(1, 28305681775), (5, 5661136355), (7, 4043668825), (19, 1489772725), (25, 1132227271), (35, 808733765), (49, 577666975), (95, 297954545), (101, 280254275), (133, 212824675), (175, 161746753), (245, 115533395), (475, 59590909), (505, 56050855), (665, 42564935), (707, 40036325), (931, 30403525), (1225, 23106679), (1919, 14750225), (2525, 11210171), (3325, 8512987), (3535, 8007265), (4655, 6080705), (4949, 5719475), (9595, 2950045), (12041, 2350775), (13433, 2107175), (17675, 1601453), (23275, 1216141), (24745, 1143895), (47975, 590009), (60205, 470155), (67165, 421435), (84287, 335825), (94031, 301025), (123725, 228779)]