139052980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20389}}^1$

素因数の和:20440

約数の個数: 48

約数和(自身を含む): 328849920

約数和(自身を除く): 189796940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 20389, 40778, 81556, 101945, 203890, 224279, 407780, 448558, 632059, 897116, 1121395, 1264118, 2242790, 2528236, 3160295, 4485580, 6320590, 6952649, 12641180, 13905298, 27810596, 34763245, 69526490, 139052980]

約数ペア:

[(1, 139052980), (2, 69526490), (4, 34763245), (5, 27810596), (10, 13905298), (11, 12641180), (20, 6952649), (22, 6320590), (31, 4485580), (44, 3160295), (55, 2528236), (62, 2242790), (110, 1264118), (124, 1121395), (155, 897116), (220, 632059), (310, 448558), (341, 407780), (620, 224279), (682, 203890), (1364, 101945), (1705, 81556), (3410, 40778), (6820, 20389)]