39998490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2411}}^1$

素因数の和:2507

約数の個数: 64

約数和(自身を含む): 111144960

約数和(自身を除く): 71146470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1659, 2370, 2411, 2765, 3318, 4822, 5530, 7233, 8295, 12055, 14466, 16590, 16877, 24110, 33754, 36165, 50631, 72330, 84385, 101262, 168770, 190469, 253155, 380938, 506310, 571407, 952345, 1142814, 1333283, 1904690, 2666566, 2857035, 3999849, 5714070, 6666415, 7999698, 13332830, 19999245, 39998490]

約数ペア:

[(1, 39998490), (2, 19999245), (3, 13332830), (5, 7999698), (6, 6666415), (7, 5714070), (10, 3999849), (14, 2857035), (15, 2666566), (21, 1904690), (30, 1333283), (35, 1142814), (42, 952345), (70, 571407), (79, 506310), (105, 380938), (158, 253155), (210, 190469), (237, 168770), (395, 101262), (474, 84385), (553, 72330), (790, 50631), (1106, 36165), (1185, 33754), (1659, 24110), (2370, 16877), (2411, 16590), (2765, 14466), (3318, 12055), (4822, 8295), (5530, 7233)]