507640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 64

約数和(自身を含む): 1368000

約数和(自身を除く): 860360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 343, 370, 392, 490, 518, 686, 740, 980, 1036, 1295, 1372, 1480, 1715, 1813, 1960, 2072, 2590, 2744, 3430, 3626, 5180, 6860, 7252, 9065, 10360, 12691, 13720, 14504, 18130, 25382, 36260, 50764, 63455, 72520, 101528, 126910, 253820, 507640]

約数ペア:

[(1, 507640), (2, 253820), (4, 126910), (5, 101528), (7, 72520), (8, 63455), (10, 50764), (14, 36260), (20, 25382), (28, 18130), (35, 14504), (37, 13720), (40, 12691), (49, 10360), (56, 9065), (70, 7252), (74, 6860), (98, 5180), (140, 3626), (148, 3430), (185, 2744), (196, 2590), (245, 2072), (259, 1960), (280, 1813), (296, 1715), (343, 1480), (370, 1372), (392, 1295), (490, 1036), (518, 980), (686, 740)]