428257320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{40099}}^1$

素因数の和:40202

約数の個数: 64

約数和(自身を含む): 1299240000

約数和(自身を除く): 870982680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 10680, 40099, 80198, 120297, 160396, 200495, 240594, 320792, 400990, 481188, 601485, 801980, 962376, 1202970, 1603960, 2405940, 3568811, 4811880, 7137622, 10706433, 14275244, 17844055, 21412866, 28550488, 35688110, 42825732, 53532165, 71376220, 85651464, 107064330, 142752440, 214128660, 428257320]

約数ペア:

[(1, 428257320), (2, 214128660), (3, 142752440), (4, 107064330), (5, 85651464), (6, 71376220), (8, 53532165), (10, 42825732), (12, 35688110), (15, 28550488), (20, 21412866), (24, 17844055), (30, 14275244), (40, 10706433), (60, 7137622), (89, 4811880), (120, 3568811), (178, 2405940), (267, 1603960), (356, 1202970), (445, 962376), (534, 801980), (712, 601485), (890, 481188), (1068, 400990), (1335, 320792), (1780, 240594), (2136, 200495), (2670, 160396), (3560, 120297), (5340, 80198), (10680, 40099)]