28660450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6299}}^1$

素因数の和:6331

約数の個数: 48

約数和(自身を含む): 65620800

約数和(自身を除く): 36960350

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 6299, 12598, 31495, 44093, 62990, 81887, 88186, 157475, 163774, 220465, 314950, 409435, 440930, 573209, 818870, 1102325, 1146418, 2047175, 2204650, 2866045, 4094350, 5732090, 14330225, 28660450]

約数ペア:

[(1, 28660450), (2, 14330225), (5, 5732090), (7, 4094350), (10, 2866045), (13, 2204650), (14, 2047175), (25, 1146418), (26, 1102325), (35, 818870), (50, 573209), (65, 440930), (70, 409435), (91, 314950), (130, 220465), (175, 163774), (182, 157475), (325, 88186), (350, 81887), (455, 62990), (650, 44093), (910, 31495), (2275, 12598), (4550, 6299)]