391254420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1285

約数の個数: 96

約数和(自身を含む): 1130088960

約数和(自身を除く): 738834540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 139, 172, 215, 258, 278, 417, 430, 516, 556, 645, 695, 834, 860, 1091, 1290, 1390, 1668, 2085, 2182, 2580, 2780, 3273, 4170, 4364, 5455, 5977, 6546, 8340, 10910, 11954, 13092, 16365, 17931, 21820, 23908, 29885, 32730, 35862, 46913, 59770, 65460, 71724, 89655, 93826, 119540, 140739, 151649, 179310, 187652, 234565, 281478, 303298, 358620, 454947, 469130, 562956, 606596, 703695, 758245, 909894, 938260, 1407390, 1516490, 1819788, 2274735, 2814780, 3032980, 4549470, 6520907, 9098940, 13041814, 19562721, 26083628, 32604535, 39125442, 65209070, 78250884, 97813605, 130418140, 195627210, 391254420]

約数ペア:

[(1, 391254420), (2, 195627210), (3, 130418140), (4, 97813605), (5, 78250884), (6, 65209070), (10, 39125442), (12, 32604535), (15, 26083628), (20, 19562721), (30, 13041814), (43, 9098940), (60, 6520907), (86, 4549470), (129, 3032980), (139, 2814780), (172, 2274735), (215, 1819788), (258, 1516490), (278, 1407390), (417, 938260), (430, 909894), (516, 758245), (556, 703695), (645, 606596), (695, 562956), (834, 469130), (860, 454947), (1091, 358620), (1290, 303298), (1390, 281478), (1668, 234565), (2085, 187652), (2182, 179310), (2580, 151649), (2780, 140739), (3273, 119540), (4170, 93826), (4364, 89655), (5455, 71724), (5977, 65460), (6546, 59770), (8340, 46913), (10910, 35862), (11954, 32730), (13092, 29885), (16365, 23908), (17931, 21820)]