308490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 919296

約数和(自身を除く): 610806

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 113, 130, 182, 195, 210, 226, 273, 339, 390, 455, 546, 565, 678, 791, 910, 1130, 1365, 1469, 1582, 1695, 2373, 2730, 2938, 3390, 3955, 4407, 4746, 7345, 7910, 8814, 10283, 11865, 14690, 20566, 22035, 23730, 30849, 44070, 51415, 61698, 102830, 154245, 308490]

約数ペア:

[(1, 308490), (2, 154245), (3, 102830), (5, 61698), (6, 51415), (7, 44070), (10, 30849), (13, 23730), (14, 22035), (15, 20566), (21, 14690), (26, 11865), (30, 10283), (35, 8814), (39, 7910), (42, 7345), (65, 4746), (70, 4407), (78, 3955), (91, 3390), (105, 2938), (113, 2730), (130, 2373), (182, 1695), (195, 1582), (210, 1469), (226, 1365), (273, 1130), (339, 910), (390, 791), (455, 678), (546, 565)]