51002140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 126518112

約数和(自身を除く): 75515972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 733, 980, 994, 1420, 1466, 1988, 2485, 2932, 3479, 3665, 4970, 5131, 6958, 7330, 9940, 10262, 13916, 14660, 17395, 20524, 25655, 34790, 35917, 51310, 52043, 69580, 71834, 102620, 104086, 143668, 179585, 208172, 260215, 359170, 364301, 520430, 718340, 728602, 1040860, 1457204, 1821505, 2550107, 3643010, 5100214, 7286020, 10200428, 12750535, 25501070, 51002140]

約数ペア:

[(1, 51002140), (2, 25501070), (4, 12750535), (5, 10200428), (7, 7286020), (10, 5100214), (14, 3643010), (20, 2550107), (28, 1821505), (35, 1457204), (49, 1040860), (70, 728602), (71, 718340), (98, 520430), (140, 364301), (142, 359170), (196, 260215), (245, 208172), (284, 179585), (355, 143668), (490, 104086), (497, 102620), (710, 71834), (733, 69580), (980, 52043), (994, 51310), (1420, 35917), (1466, 34790), (1988, 25655), (2485, 20524), (2932, 17395), (3479, 14660), (3665, 13916), (4970, 10262), (5131, 9940), (6958, 7330)]