3878420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 10028928

約数和(自身を除く): 6150508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2131, 4262, 8524, 10655, 14917, 21310, 27703, 29834, 42620, 55406, 59668, 74585, 110812, 138515, 149170, 193921, 277030, 298340, 387842, 554060, 775684, 969605, 1939210, 3878420]

約数ペア:

[(1, 3878420), (2, 1939210), (4, 969605), (5, 775684), (7, 554060), (10, 387842), (13, 298340), (14, 277030), (20, 193921), (26, 149170), (28, 138515), (35, 110812), (52, 74585), (65, 59668), (70, 55406), (91, 42620), (130, 29834), (140, 27703), (182, 21310), (260, 14917), (364, 10655), (455, 8524), (910, 4262), (1820, 2131)]