1820492590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:590

約数の個数: 96

約数和(自身を含む): 3900441600

約数和(自身を除く): 2079949010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 131, 158, 245, 262, 359, 395, 490, 553, 655, 718, 790, 917, 1106, 1310, 1795, 1834, 2513, 2765, 3590, 3871, 4585, 5026, 5530, 6419, 7742, 9170, 10349, 12565, 12838, 17591, 19355, 20698, 25130, 28361, 32095, 35182, 38710, 47029, 51745, 56722, 64190, 72443, 87955, 94058, 103490, 141805, 144886, 175910, 198527, 235145, 283610, 329203, 362215, 397054, 470290, 507101, 658406, 724430, 992635, 1014202, 1389689, 1646015, 1985270, 2304421, 2535505, 2779378, 3292030, 3715291, 4608842, 5071010, 6948445, 7430582, 11522105, 13896890, 18576455, 23044210, 26007037, 37152910, 52014074, 130035185, 182049259, 260070370, 364098518, 910246295, 1820492590]

約数ペア:

[(1, 1820492590), (2, 910246295), (5, 364098518), (7, 260070370), (10, 182049259), (14, 130035185), (35, 52014074), (49, 37152910), (70, 26007037), (79, 23044210), (98, 18576455), (131, 13896890), (158, 11522105), (245, 7430582), (262, 6948445), (359, 5071010), (395, 4608842), (490, 3715291), (553, 3292030), (655, 2779378), (718, 2535505), (790, 2304421), (917, 1985270), (1106, 1646015), (1310, 1389689), (1795, 1014202), (1834, 992635), (2513, 724430), (2765, 658406), (3590, 507101), (3871, 470290), (4585, 397054), (5026, 362215), (5530, 329203), (6419, 283610), (7742, 235145), (9170, 198527), (10349, 175910), (12565, 144886), (12838, 141805), (17591, 103490), (19355, 94058), (20698, 87955), (25130, 72443), (28361, 64190), (32095, 56722), (35182, 51745), (38710, 47029)]