278317060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1458

約数の個数: 96

約数和(自身を含む): 705600000

約数和(自身を除く): 427282940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 343, 406, 490, 580, 686, 812, 980, 1015, 1372, 1399, 1421, 1715, 2030, 2798, 2842, 3430, 4060, 5596, 5684, 6860, 6995, 7105, 9793, 9947, 13990, 14210, 19586, 19894, 27980, 28420, 39172, 39788, 40571, 48965, 49735, 68551, 81142, 97930, 99470, 137102, 162284, 195860, 198940, 202855, 274204, 283997, 342755, 405710, 479857, 567994, 685510, 811420, 959714, 1135988, 1371020, 1419985, 1919428, 1987979, 2399285, 2839970, 3975958, 4798570, 5679940, 7951916, 9597140, 9939895, 13915853, 19879790, 27831706, 39759580, 55663412, 69579265, 139158530, 278317060]

約数ペア:

[(1, 278317060), (2, 139158530), (4, 69579265), (5, 55663412), (7, 39759580), (10, 27831706), (14, 19879790), (20, 13915853), (28, 9939895), (29, 9597140), (35, 7951916), (49, 5679940), (58, 4798570), (70, 3975958), (98, 2839970), (116, 2399285), (140, 1987979), (145, 1919428), (196, 1419985), (203, 1371020), (245, 1135988), (290, 959714), (343, 811420), (406, 685510), (490, 567994), (580, 479857), (686, 405710), (812, 342755), (980, 283997), (1015, 274204), (1372, 202855), (1399, 198940), (1421, 195860), (1715, 162284), (2030, 137102), (2798, 99470), (2842, 97930), (3430, 81142), (4060, 68551), (5596, 49735), (5684, 48965), (6860, 40571), (6995, 39788), (7105, 39172), (9793, 28420), (9947, 27980), (13990, 19894), (14210, 19586)]