129996490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 260295840

約数和(自身を除く): 130299350

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 97, 122, 130, 169, 194, 305, 338, 485, 610, 793, 845, 970, 1261, 1586, 1690, 2197, 2522, 3965, 4394, 5917, 6305, 7930, 10309, 10985, 11834, 12610, 16393, 20618, 21970, 29585, 32786, 51545, 59170, 76921, 81965, 103090, 134017, 153842, 163930, 213109, 268034, 384605, 426218, 670085, 769210, 999973, 1065545, 1340170, 1999946, 2131090, 4999865, 9999730, 12999649, 25999298, 64998245, 129996490]

約数ペア:

[(1, 129996490), (2, 64998245), (5, 25999298), (10, 12999649), (13, 9999730), (26, 4999865), (61, 2131090), (65, 1999946), (97, 1340170), (122, 1065545), (130, 999973), (169, 769210), (194, 670085), (305, 426218), (338, 384605), (485, 268034), (610, 213109), (793, 163930), (845, 153842), (970, 134017), (1261, 103090), (1586, 81965), (1690, 76921), (2197, 59170), (2522, 51545), (3965, 32786), (4394, 29585), (5917, 21970), (6305, 20618), (7930, 16393), (10309, 12610), (10985, 11834)]