400151840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1879}}^1$

素因数の和:1927

約数の個数: 96

約数和(自身を含む): 1040376960

約数和(自身を除く): 640225120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1331, 1760, 1879, 1936, 2420, 2662, 3758, 3872, 4840, 5324, 6655, 7516, 9395, 9680, 10648, 13310, 15032, 18790, 19360, 20669, 21296, 26620, 30064, 37580, 41338, 42592, 53240, 60128, 75160, 82676, 103345, 106480, 150320, 165352, 206690, 212960, 227359, 300640, 330704, 413380, 454718, 661408, 826760, 909436, 1136795, 1653520, 1818872, 2273590, 2500949, 3307040, 3637744, 4547180, 5001898, 7275488, 9094360, 10003796, 12504745, 18188720, 20007592, 25009490, 36377440, 40015184, 50018980, 80030368, 100037960, 200075920, 400151840]

約数ペア:

[(1, 400151840), (2, 200075920), (4, 100037960), (5, 80030368), (8, 50018980), (10, 40015184), (11, 36377440), (16, 25009490), (20, 20007592), (22, 18188720), (32, 12504745), (40, 10003796), (44, 9094360), (55, 7275488), (80, 5001898), (88, 4547180), (110, 3637744), (121, 3307040), (160, 2500949), (176, 2273590), (220, 1818872), (242, 1653520), (352, 1136795), (440, 909436), (484, 826760), (605, 661408), (880, 454718), (968, 413380), (1210, 330704), (1331, 300640), (1760, 227359), (1879, 212960), (1936, 206690), (2420, 165352), (2662, 150320), (3758, 106480), (3872, 103345), (4840, 82676), (5324, 75160), (6655, 60128), (7516, 53240), (9395, 42592), (9680, 41338), (10648, 37580), (13310, 30064), (15032, 26620), (18790, 21296), (19360, 20669)]