804299020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{38557}}^1$

素因数の和:38722

約数の個数: 48

約数和(自身を含む): 1943323200

約数和(自身を除く): 1139024180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 38557, 77114, 154228, 192785, 269899, 385570, 539798, 771140, 1079596, 1349495, 2698990, 5397980, 5744993, 11489986, 22979972, 28724965, 40214951, 57449930, 80429902, 114899860, 160859804, 201074755, 402149510, 804299020]

約数ペア:

[(1, 804299020), (2, 402149510), (4, 201074755), (5, 160859804), (7, 114899860), (10, 80429902), (14, 57449930), (20, 40214951), (28, 28724965), (35, 22979972), (70, 11489986), (140, 5744993), (149, 5397980), (298, 2698990), (596, 1349495), (745, 1079596), (1043, 771140), (1490, 539798), (2086, 385570), (2980, 269899), (4172, 192785), (5215, 154228), (10430, 77114), (20860, 38557)]