206813480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{541}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 491702400

約数和(自身を除く): 284888920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 503, 541, 760, 1006, 1082, 2012, 2164, 2515, 2705, 4024, 4328, 5030, 5410, 9557, 10060, 10279, 10820, 19114, 20120, 20558, 21640, 38228, 41116, 47785, 51395, 76456, 82232, 95570, 102790, 191140, 205580, 272123, 382280, 411160, 544246, 1088492, 1360615, 2176984, 2721230, 5170337, 5442460, 10340674, 10884920, 20681348, 25851685, 41362696, 51703370, 103406740, 206813480]

約数ペア:

[(1, 206813480), (2, 103406740), (4, 51703370), (5, 41362696), (8, 25851685), (10, 20681348), (19, 10884920), (20, 10340674), (38, 5442460), (40, 5170337), (76, 2721230), (95, 2176984), (152, 1360615), (190, 1088492), (380, 544246), (503, 411160), (541, 382280), (760, 272123), (1006, 205580), (1082, 191140), (2012, 102790), (2164, 95570), (2515, 82232), (2705, 76456), (4024, 51395), (4328, 47785), (5030, 41116), (5410, 38228), (9557, 21640), (10060, 20558), (10279, 20120), (10820, 19114)]