496611320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{647}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 1157068800

約数和(自身を除く): 660457480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 619, 620, 647, 1238, 1240, 1294, 2476, 2588, 3095, 3235, 4952, 5176, 6190, 6470, 12380, 12940, 19189, 20057, 24760, 25880, 38378, 40114, 76756, 80228, 95945, 100285, 153512, 160456, 191890, 200570, 383780, 400493, 401140, 767560, 800986, 802280, 1601972, 2002465, 3203944, 4004930, 8009860, 12415283, 16019720, 24830566, 49661132, 62076415, 99322264, 124152830, 248305660, 496611320]

約数ペア:

[(1, 496611320), (2, 248305660), (4, 124152830), (5, 99322264), (8, 62076415), (10, 49661132), (20, 24830566), (31, 16019720), (40, 12415283), (62, 8009860), (124, 4004930), (155, 3203944), (248, 2002465), (310, 1601972), (619, 802280), (620, 800986), (647, 767560), (1238, 401140), (1240, 400493), (1294, 383780), (2476, 200570), (2588, 191890), (3095, 160456), (3235, 153512), (4952, 100285), (5176, 95945), (6190, 80228), (6470, 76756), (12380, 40114), (12940, 38378), (19189, 25880), (20057, 24760)]