402149480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{839}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 947116800

約数和(自身を除く): 544967320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 521, 839, 920, 1042, 1678, 2084, 2605, 3356, 4168, 4195, 5210, 6712, 8390, 10420, 11983, 16780, 19297, 20840, 23966, 33560, 38594, 47932, 59915, 77188, 95864, 96485, 119830, 154376, 192970, 239660, 385940, 437119, 479320, 771880, 874238, 1748476, 2185595, 3496952, 4371190, 8742380, 10053737, 17484760, 20107474, 40214948, 50268685, 80429896, 100537370, 201074740, 402149480]

約数ペア:

[(1, 402149480), (2, 201074740), (4, 100537370), (5, 80429896), (8, 50268685), (10, 40214948), (20, 20107474), (23, 17484760), (40, 10053737), (46, 8742380), (92, 4371190), (115, 3496952), (184, 2185595), (230, 1748476), (460, 874238), (521, 771880), (839, 479320), (920, 437119), (1042, 385940), (1678, 239660), (2084, 192970), (2605, 154376), (3356, 119830), (4168, 96485), (4195, 95864), (5210, 77188), (6712, 59915), (8390, 47932), (10420, 38594), (11983, 33560), (16780, 23966), (19297, 20840)]