290797755

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 505397760

約数和(自身を除く): 214600005

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 97, 157, 201, 285, 291, 335, 471, 485, 785, 1005, 1273, 1455, 1843, 2355, 2983, 3819, 5529, 6365, 6499, 8949, 9215, 10519, 14915, 15229, 19095, 19497, 27645, 31557, 32495, 44745, 45687, 52595, 76145, 97485, 123481, 157785, 199861, 228435, 289351, 370443, 599583, 617405, 868053, 999305, 1020343, 1446755, 1852215, 2997915, 3061029, 4340265, 5101715, 15305145, 19386517, 58159551, 96932585, 290797755]

約数ペア:

[(1, 290797755), (3, 96932585), (5, 58159551), (15, 19386517), (19, 15305145), (57, 5101715), (67, 4340265), (95, 3061029), (97, 2997915), (157, 1852215), (201, 1446755), (285, 1020343), (291, 999305), (335, 868053), (471, 617405), (485, 599583), (785, 370443), (1005, 289351), (1273, 228435), (1455, 199861), (1843, 157785), (2355, 123481), (2983, 97485), (3819, 76145), (5529, 52595), (6365, 45687), (6499, 44745), (8949, 32495), (9215, 31557), (10519, 27645), (14915, 19497), (15229, 19095)]