199968730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{4261}}^1$

素因数の和:4319

約数の個数: 48

約数和(自身を含む): 409203144

約数和(自身を除く): 209234414

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 1235, 1805, 2470, 3610, 4261, 4693, 8522, 9386, 21305, 23465, 42610, 46930, 55393, 80959, 110786, 161918, 276965, 404795, 553930, 809590, 1052467, 1538221, 2104934, 3076442, 5262335, 7691105, 10524670, 15382210, 19996873, 39993746, 99984365, 199968730]

約数ペア:

[(1, 199968730), (2, 99984365), (5, 39993746), (10, 19996873), (13, 15382210), (19, 10524670), (26, 7691105), (38, 5262335), (65, 3076442), (95, 2104934), (130, 1538221), (190, 1052467), (247, 809590), (361, 553930), (494, 404795), (722, 276965), (1235, 161918), (1805, 110786), (2470, 80959), (3610, 55393), (4261, 46930), (4693, 42610), (8522, 23465), (9386, 21305)]