28991600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{599}}^1$

素因数の和:639

約数の個数: 90

約数和(自身を含む): 76687800

約数和(自身を除く): 47696200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 599, 605, 880, 968, 1100, 1198, 1210, 1936, 2200, 2396, 2420, 2995, 3025, 4400, 4792, 4840, 5990, 6050, 6589, 9584, 9680, 11980, 12100, 13178, 14975, 23960, 24200, 26356, 29950, 32945, 47920, 48400, 52712, 59900, 65890, 72479, 105424, 119800, 131780, 144958, 164725, 239600, 263560, 289916, 329450, 362395, 527120, 579832, 658900, 724790, 1159664, 1317800, 1449580, 1811975, 2635600, 2899160, 3623950, 5798320, 7247900, 14495800, 28991600]

約数ペア:

[(1, 28991600), (2, 14495800), (4, 7247900), (5, 5798320), (8, 3623950), (10, 2899160), (11, 2635600), (16, 1811975), (20, 1449580), (22, 1317800), (25, 1159664), (40, 724790), (44, 658900), (50, 579832), (55, 527120), (80, 362395), (88, 329450), (100, 289916), (110, 263560), (121, 239600), (176, 164725), (200, 144958), (220, 131780), (242, 119800), (275, 105424), (400, 72479), (440, 65890), (484, 59900), (550, 52712), (599, 48400), (605, 47920), (880, 32945), (968, 29950), (1100, 26356), (1198, 24200), (1210, 23960), (1936, 14975), (2200, 13178), (2396, 12100), (2420, 11980), (2995, 9680), (3025, 9584), (4400, 6589), (4792, 6050), (4840, 5990)]