39759580

素因数分解:

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

素因数の和:1451

約数の個数: 72

約数和(自身を含む): 100548000

約数和(自身を除く): 60788420

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, 406, 490, 580, 812, 980, 1015, 1399, 1421, 2030, 2798, 2842, 4060, 5596, 5684, 6995, 7105, 9793, 13990, 14210, 19586, 27980, 28420, 39172, 40571, 48965, 68551, 81142, 97930, 137102, 162284, 195860, 202855, 274204, 283997, 342755, 405710, 567994, 685510, 811420, 1135988, 1371020, 1419985, 1987979, 2839970, 3975958, 5679940, 7951916, 9939895, 19879790, 39759580]

約数ペア:

[(1, 39759580), (2, 19879790), (4, 9939895), (5, 7951916), (7, 5679940), (10, 3975958), (14, 2839970), (20, 1987979), (28, 1419985), (29, 1371020), (35, 1135988), (49, 811420), (58, 685510), (70, 567994), (98, 405710), (116, 342755), (140, 283997), (145, 274204), (196, 202855), (203, 195860), (245, 162284), (290, 137102), (406, 97930), (490, 81142), (580, 68551), (812, 48965), (980, 40571), (1015, 39172), (1399, 28420), (1421, 27980), (2030, 19586), (2798, 14210), (2842, 13990), (4060, 9793), (5596, 7105), (5684, 6995)]