1987993730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2707}}^1$

素因数の和:2871

約数の個数: 64

約数和(自身を含む): 3893280768

約数和(自身を除く): 1905287038

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 103, 115, 155, 206, 230, 310, 515, 713, 1030, 1426, 2369, 2707, 3193, 3565, 4738, 5414, 6386, 7130, 11845, 13535, 15965, 23690, 27070, 31930, 62261, 73439, 83917, 124522, 146878, 167834, 278821, 311305, 367195, 419585, 557642, 622610, 734390, 839170, 1394105, 1930091, 2788210, 3860182, 6412883, 8643451, 9650455, 12825766, 17286902, 19300910, 32064415, 43217255, 64128830, 86434510, 198799373, 397598746, 993996865, 1987993730]

約数ペア:

[(1, 1987993730), (2, 993996865), (5, 397598746), (10, 198799373), (23, 86434510), (31, 64128830), (46, 43217255), (62, 32064415), (103, 19300910), (115, 17286902), (155, 12825766), (206, 9650455), (230, 8643451), (310, 6412883), (515, 3860182), (713, 2788210), (1030, 1930091), (1426, 1394105), (2369, 839170), (2707, 734390), (3193, 622610), (3565, 557642), (4738, 419585), (5414, 367195), (6386, 311305), (7130, 278821), (11845, 167834), (13535, 146878), (15965, 124522), (23690, 83917), (27070, 73439), (31930, 62261)]