138973980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 444165120

約数和(自身を除く): 305191140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 71, 76, 85, 95, 101, 102, 114, 142, 170, 190, 202, 204, 213, 228, 255, 284, 285, 303, 323, 340, 355, 380, 404, 426, 505, 510, 570, 606, 646, 710, 852, 969, 1010, 1020, 1065, 1140, 1207, 1212, 1292, 1349, 1420, 1515, 1615, 1717, 1919, 1938, 2020, 2130, 2414, 2698, 3030, 3230, 3434, 3621, 3838, 3876, 4047, 4260, 4828, 4845, 5151, 5396, 5757, 6035, 6060, 6460, 6745, 6868, 7171, 7242, 7676, 8094, 8585, 9595, 9690, 10302, 11514, 12070, 13490, 14342, 14484, 16188, 17170, 18105, 19190, 19380, 20235, 20604, 21513, 22933, 23028, 24140, 25755, 26980, 28684, 28785, 32623, 34340, 35855, 36210, 38380, 40470, 43026, 45866, 51510, 57570, 65246, 68799, 71710, 72420, 80940, 86052, 91732, 97869, 103020, 107565, 114665, 115140, 121907, 130492, 136249, 137598, 143420, 163115, 195738, 215130, 229330, 243814, 272498, 275196, 326230, 343995, 365721, 391476, 408747, 430260, 458660, 487628, 489345, 544996, 609535, 652460, 681245, 687990, 731442, 817494, 978690, 1219070, 1362490, 1375980, 1462884, 1634988, 1828605, 1957380, 2043735, 2316233, 2438140, 2724980, 3657210, 4087470, 4632466, 6948699, 7314420, 8174940, 9264932, 11581165, 13897398, 23162330, 27794796, 34743495, 46324660, 69486990, 138973980]

約数ペア:

[(1, 138973980), (2, 69486990), (3, 46324660), (4, 34743495), (5, 27794796), (6, 23162330), (10, 13897398), (12, 11581165), (15, 9264932), (17, 8174940), (19, 7314420), (20, 6948699), (30, 4632466), (34, 4087470), (38, 3657210), (51, 2724980), (57, 2438140), (60, 2316233), (68, 2043735), (71, 1957380), (76, 1828605), (85, 1634988), (95, 1462884), (101, 1375980), (102, 1362490), (114, 1219070), (142, 978690), (170, 817494), (190, 731442), (202, 687990), (204, 681245), (213, 652460), (228, 609535), (255, 544996), (284, 489345), (285, 487628), (303, 458660), (323, 430260), (340, 408747), (355, 391476), (380, 365721), (404, 343995), (426, 326230), (505, 275196), (510, 272498), (570, 243814), (606, 229330), (646, 215130), (710, 195738), (852, 163115), (969, 143420), (1010, 137598), (1020, 136249), (1065, 130492), (1140, 121907), (1207, 115140), (1212, 114665), (1292, 107565), (1349, 103020), (1420, 97869), (1515, 91732), (1615, 86052), (1717, 80940), (1919, 72420), (1938, 71710), (2020, 68799), (2130, 65246), (2414, 57570), (2698, 51510), (3030, 45866), (3230, 43026), (3434, 40470), (3621, 38380), (3838, 36210), (3876, 35855), (4047, 34340), (4260, 32623), (4828, 28785), (4845, 28684), (5151, 26980), (5396, 25755), (5757, 24140), (6035, 23028), (6060, 22933), (6460, 21513), (6745, 20604), (6868, 20235), (7171, 19380), (7242, 19190), (7676, 18105), (8094, 17170), (8585, 16188), (9595, 14484), (9690, 14342), (10302, 13490), (11514, 12070)]