397366830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{210247}}^1$

素因数の和:210270

約数の個数: 64

約数和(自身を含む): 1211028480

約数和(自身を除く): 813661650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 210247, 420494, 630741, 1051235, 1261482, 1471729, 1892223, 2102470, 2943458, 3153705, 3784446, 4415187, 5676669, 6307410, 7358645, 8830374, 9461115, 11353338, 13245561, 14717290, 18922230, 22075935, 26491122, 28383345, 39736683, 44151870, 56766690, 66227805, 79473366, 132455610, 198683415, 397366830]

約数ペア:

[(1, 397366830), (2, 198683415), (3, 132455610), (5, 79473366), (6, 66227805), (7, 56766690), (9, 44151870), (10, 39736683), (14, 28383345), (15, 26491122), (18, 22075935), (21, 18922230), (27, 14717290), (30, 13245561), (35, 11353338), (42, 9461115), (45, 8830374), (54, 7358645), (63, 6307410), (70, 5676669), (90, 4415187), (105, 3784446), (126, 3153705), (135, 2943458), (189, 2102470), (210, 1892223), (270, 1471729), (315, 1261482), (378, 1051235), (630, 630741), (945, 420494), (1890, 210247)]