636433120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209353}}^1$

素因数の和:209387

約数の個数: 48

約数和(自身を含む): 1582716240

約数和(自身を除く): 946283120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 209353, 418706, 837412, 1046765, 1674824, 2093530, 3349648, 3977707, 4187060, 6699296, 7955414, 8374120, 15910828, 16748240, 19888535, 31821656, 33496480, 39777070, 63643312, 79554140, 127286624, 159108280, 318216560, 636433120]

約数ペア:

[(1, 636433120), (2, 318216560), (4, 159108280), (5, 127286624), (8, 79554140), (10, 63643312), (16, 39777070), (19, 33496480), (20, 31821656), (32, 19888535), (38, 16748240), (40, 15910828), (76, 8374120), (80, 7955414), (95, 6699296), (152, 4187060), (160, 3977707), (190, 3349648), (304, 2093530), (380, 1674824), (608, 1046765), (760, 837412), (1520, 418706), (3040, 209353)]