385520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 922560

約数和(自身を除く): 537040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 79, 80, 122, 158, 244, 305, 316, 395, 488, 610, 632, 790, 976, 1220, 1264, 1580, 2440, 3160, 4819, 4880, 6320, 9638, 19276, 24095, 38552, 48190, 77104, 96380, 192760, 385520]

約数ペア:

[(1, 385520), (2, 192760), (4, 96380), (5, 77104), (8, 48190), (10, 38552), (16, 24095), (20, 19276), (40, 9638), (61, 6320), (79, 4880), (80, 4819), (122, 3160), (158, 2440), (244, 1580), (305, 1264), (316, 1220), (395, 976), (488, 790), (610, 632)]