27883940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 70048440

約数和(自身を除く): 42164500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 769, 980, 1036, 1295, 1538, 1813, 2590, 3076, 3626, 3845, 5180, 5383, 7252, 7690, 9065, 10766, 15380, 18130, 21532, 26915, 28453, 36260, 37681, 53830, 56906, 75362, 107660, 113812, 142265, 150724, 188405, 199171, 284530, 376810, 398342, 569060, 753620, 796684, 995855, 1394197, 1991710, 2788394, 3983420, 5576788, 6970985, 13941970, 27883940]

約数ペア:

[(1, 27883940), (2, 13941970), (4, 6970985), (5, 5576788), (7, 3983420), (10, 2788394), (14, 1991710), (20, 1394197), (28, 995855), (35, 796684), (37, 753620), (49, 569060), (70, 398342), (74, 376810), (98, 284530), (140, 199171), (148, 188405), (185, 150724), (196, 142265), (245, 113812), (259, 107660), (370, 75362), (490, 56906), (518, 53830), (740, 37681), (769, 36260), (980, 28453), (1036, 26915), (1295, 21532), (1538, 18130), (1813, 15380), (2590, 10766), (3076, 9065), (3626, 7690), (3845, 7252), (5180, 5383)]