51086140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 129024000

約数和(自身を除く): 77937860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 79, 124, 140, 149, 155, 158, 217, 298, 310, 316, 395, 434, 553, 596, 620, 745, 790, 868, 1043, 1085, 1106, 1490, 1580, 2086, 2170, 2212, 2449, 2765, 2980, 4172, 4340, 4619, 4898, 5215, 5530, 9238, 9796, 10430, 11060, 11771, 12245, 17143, 18476, 20860, 23095, 23542, 24490, 32333, 34286, 46190, 47084, 48980, 58855, 64666, 68572, 82397, 85715, 92380, 117710, 129332, 161665, 164794, 171430, 235420, 323330, 329588, 342860, 364901, 411985, 646660, 729802, 823970, 1459604, 1647940, 1824505, 2554307, 3649010, 5108614, 7298020, 10217228, 12771535, 25543070, 51086140]

約数ペア:

[(1, 51086140), (2, 25543070), (4, 12771535), (5, 10217228), (7, 7298020), (10, 5108614), (14, 3649010), (20, 2554307), (28, 1824505), (31, 1647940), (35, 1459604), (62, 823970), (70, 729802), (79, 646660), (124, 411985), (140, 364901), (149, 342860), (155, 329588), (158, 323330), (217, 235420), (298, 171430), (310, 164794), (316, 161665), (395, 129332), (434, 117710), (553, 92380), (596, 85715), (620, 82397), (745, 68572), (790, 64666), (868, 58855), (1043, 48980), (1085, 47084), (1106, 46190), (1490, 34286), (1580, 32333), (2086, 24490), (2170, 23542), (2212, 23095), (2449, 20860), (2765, 18476), (2980, 17143), (4172, 12245), (4340, 11771), (4619, 11060), (4898, 10430), (5215, 9796), (5530, 9238)]