408099760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 971178912

約数和(自身を除く): 563079152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 241, 244, 305, 347, 482, 488, 610, 694, 964, 976, 1205, 1220, 1388, 1735, 1928, 2410, 2440, 2776, 3470, 3856, 4820, 4880, 5552, 6940, 9640, 13880, 14701, 19280, 21167, 27760, 29402, 42334, 58804, 73505, 83627, 84668, 105835, 117608, 147010, 167254, 169336, 211670, 235216, 294020, 334508, 338672, 418135, 423340, 588040, 669016, 836270, 846680, 1176080, 1338032, 1672540, 1693360, 3345080, 5101247, 6690160, 10202494, 20404988, 25506235, 40809976, 51012470, 81619952, 102024940, 204049880, 408099760]

約数ペア:

[(1, 408099760), (2, 204049880), (4, 102024940), (5, 81619952), (8, 51012470), (10, 40809976), (16, 25506235), (20, 20404988), (40, 10202494), (61, 6690160), (80, 5101247), (122, 3345080), (241, 1693360), (244, 1672540), (305, 1338032), (347, 1176080), (482, 846680), (488, 836270), (610, 669016), (694, 588040), (964, 423340), (976, 418135), (1205, 338672), (1220, 334508), (1388, 294020), (1735, 235216), (1928, 211670), (2410, 169336), (2440, 167254), (2776, 147010), (3470, 117608), (3856, 105835), (4820, 84668), (4880, 83627), (5552, 73505), (6940, 58804), (9640, 42334), (13880, 29402), (14701, 27760), (19280, 21167)]