78871060

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 170674560

約数和(自身を除く): 91803500

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 670, 710, 829, 1340, 1420, 1658, 3316, 4145, 4757, 8290, 9514, 16580, 19028, 23785, 47570, 55543, 58859, 95140, 111086, 117718, 222172, 235436, 277715, 294295, 555430, 588590, 1110860, 1177180, 3943553, 7887106, 15774212, 19717765, 39435530, 78871060]

約数ペア:

[(1, 78871060), (2, 39435530), (4, 19717765), (5, 15774212), (10, 7887106), (20, 3943553), (67, 1177180), (71, 1110860), (134, 588590), (142, 555430), (268, 294295), (284, 277715), (335, 235436), (355, 222172), (670, 117718), (710, 111086), (829, 95140), (1340, 58859), (1420, 55543), (1658, 47570), (3316, 23785), (4145, 19028), (4757, 16580), (8290, 9514)]