55151800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 146943720

約数和(自身を除く): 91791920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 53, 55, 86, 88, 100, 106, 110, 121, 172, 200, 212, 215, 220, 242, 265, 275, 344, 424, 430, 440, 473, 484, 530, 550, 583, 605, 860, 946, 968, 1060, 1075, 1100, 1166, 1210, 1325, 1720, 1892, 2120, 2150, 2200, 2279, 2332, 2365, 2420, 2650, 2915, 3025, 3784, 4300, 4558, 4664, 4730, 4840, 5203, 5300, 5830, 6050, 6413, 8600, 9116, 9460, 10406, 10600, 11395, 11660, 11825, 12100, 12826, 14575, 18232, 18920, 20812, 22790, 23320, 23650, 24200, 25069, 25652, 26015, 29150, 32065, 41624, 45580, 47300, 50138, 51304, 52030, 56975, 58300, 64130, 91160, 94600, 100276, 104060, 113950, 116600, 125345, 128260, 130075, 160325, 200552, 208120, 227900, 250690, 256520, 260150, 275759, 320650, 455800, 501380, 520300, 551518, 626725, 641300, 1002760, 1040600, 1103036, 1253450, 1282600, 1378795, 2206072, 2506900, 2757590, 5013800, 5515180, 6893975, 11030360, 13787950, 27575900, 55151800]

約数ペア:

[(1, 55151800), (2, 27575900), (4, 13787950), (5, 11030360), (8, 6893975), (10, 5515180), (11, 5013800), (20, 2757590), (22, 2506900), (25, 2206072), (40, 1378795), (43, 1282600), (44, 1253450), (50, 1103036), (53, 1040600), (55, 1002760), (86, 641300), (88, 626725), (100, 551518), (106, 520300), (110, 501380), (121, 455800), (172, 320650), (200, 275759), (212, 260150), (215, 256520), (220, 250690), (242, 227900), (265, 208120), (275, 200552), (344, 160325), (424, 130075), (430, 128260), (440, 125345), (473, 116600), (484, 113950), (530, 104060), (550, 100276), (583, 94600), (605, 91160), (860, 64130), (946, 58300), (968, 56975), (1060, 52030), (1075, 51304), (1100, 50138), (1166, 47300), (1210, 45580), (1325, 41624), (1720, 32065), (1892, 29150), (2120, 26015), (2150, 25652), (2200, 25069), (2279, 24200), (2332, 23650), (2365, 23320), (2420, 22790), (2650, 20812), (2915, 18920), (3025, 18232), (3784, 14575), (4300, 12826), (4558, 12100), (4664, 11825), (4730, 11660), (4840, 11395), (5203, 10600), (5300, 10406), (5830, 9460), (6050, 9116), (6413, 8600)]