388103220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 1205043840

約数和(自身を除く): 816940620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 131, 151, 180, 218, 262, 302, 327, 393, 436, 453, 524, 545, 604, 654, 655, 755, 786, 906, 981, 1090, 1179, 1308, 1310, 1359, 1510, 1572, 1635, 1812, 1962, 1965, 2180, 2265, 2358, 2620, 2718, 3020, 3270, 3924, 3930, 4530, 4716, 4905, 5436, 5895, 6540, 6795, 7860, 9060, 9810, 11790, 13590, 14279, 16459, 19620, 19781, 23580, 27180, 28558, 32918, 39562, 42837, 49377, 57116, 59343, 65836, 71395, 79124, 82295, 85674, 98754, 98905, 118686, 128511, 142790, 148131, 164590, 171348, 178029, 197508, 197810, 214185, 237372, 246885, 257022, 285580, 296262, 296715, 329180, 356058, 395620, 428370, 493770, 514044, 592524, 593430, 642555, 712116, 740655, 856740, 890145, 987540, 1186860, 1285110, 1481310, 1780290, 2156129, 2570220, 2962620, 3560580, 4312258, 6468387, 8624516, 10780645, 12936774, 19405161, 21561290, 25873548, 32341935, 38810322, 43122580, 64683870, 77620644, 97025805, 129367740, 194051610, 388103220]

約数ペア:

[(1, 388103220), (2, 194051610), (3, 129367740), (4, 97025805), (5, 77620644), (6, 64683870), (9, 43122580), (10, 38810322), (12, 32341935), (15, 25873548), (18, 21561290), (20, 19405161), (30, 12936774), (36, 10780645), (45, 8624516), (60, 6468387), (90, 4312258), (109, 3560580), (131, 2962620), (151, 2570220), (180, 2156129), (218, 1780290), (262, 1481310), (302, 1285110), (327, 1186860), (393, 987540), (436, 890145), (453, 856740), (524, 740655), (545, 712116), (604, 642555), (654, 593430), (655, 592524), (755, 514044), (786, 493770), (906, 428370), (981, 395620), (1090, 356058), (1179, 329180), (1308, 296715), (1310, 296262), (1359, 285580), (1510, 257022), (1572, 246885), (1635, 237372), (1812, 214185), (1962, 197810), (1965, 197508), (2180, 178029), (2265, 171348), (2358, 164590), (2620, 148131), (2718, 142790), (3020, 128511), (3270, 118686), (3924, 98905), (3930, 98754), (4530, 85674), (4716, 82295), (4905, 79124), (5436, 71395), (5895, 65836), (6540, 59343), (6795, 57116), (7860, 49377), (9060, 42837), (9810, 39562), (11790, 32918), (13590, 28558), (14279, 27180), (16459, 23580), (19620, 19781)]