31589320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 84214080

約数和(自身を除く): 52624760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 227, 245, 280, 284, 355, 392, 454, 490, 497, 568, 710, 908, 980, 994, 1135, 1420, 1589, 1816, 1960, 1988, 2270, 2485, 2840, 3178, 3479, 3976, 4540, 4970, 6356, 6958, 7945, 9080, 9940, 11123, 12712, 13916, 15890, 16117, 17395, 19880, 22246, 27832, 31780, 32234, 34790, 44492, 55615, 63560, 64468, 69580, 80585, 88984, 111230, 112819, 128936, 139160, 161170, 222460, 225638, 322340, 444920, 451276, 564095, 644680, 789733, 902552, 1128190, 1579466, 2256380, 3158932, 3948665, 4512760, 6317864, 7897330, 15794660, 31589320]

約数ペア:

[(1, 31589320), (2, 15794660), (4, 7897330), (5, 6317864), (7, 4512760), (8, 3948665), (10, 3158932), (14, 2256380), (20, 1579466), (28, 1128190), (35, 902552), (40, 789733), (49, 644680), (56, 564095), (70, 451276), (71, 444920), (98, 322340), (140, 225638), (142, 222460), (196, 161170), (227, 139160), (245, 128936), (280, 112819), (284, 111230), (355, 88984), (392, 80585), (454, 69580), (490, 64468), (497, 63560), (568, 55615), (710, 44492), (908, 34790), (980, 32234), (994, 31780), (1135, 27832), (1420, 22246), (1589, 19880), (1816, 17395), (1960, 16117), (1988, 15890), (2270, 13916), (2485, 12712), (2840, 11123), (3178, 9940), (3479, 9080), (3976, 7945), (4540, 6958), (4970, 6356)]