28437200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 78048576

約数和(自身を除く): 49611376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 176, 184, 200, 220, 230, 253, 275, 281, 368, 400, 440, 460, 506, 550, 562, 575, 880, 920, 1012, 1100, 1124, 1150, 1265, 1405, 1840, 2024, 2200, 2248, 2300, 2530, 2810, 3091, 4048, 4400, 4496, 4600, 5060, 5620, 6182, 6325, 6463, 7025, 9200, 10120, 11240, 12364, 12650, 12926, 14050, 15455, 20240, 22480, 24728, 25300, 25852, 28100, 30910, 32315, 49456, 50600, 51704, 56200, 61820, 64630, 71093, 77275, 101200, 103408, 112400, 123640, 129260, 142186, 154550, 161575, 247280, 258520, 284372, 309100, 323150, 355465, 517040, 568744, 618200, 646300, 710930, 1137488, 1236400, 1292600, 1421860, 1777325, 2585200, 2843720, 3554650, 5687440, 7109300, 14218600, 28437200]

約数ペア:

[(1, 28437200), (2, 14218600), (4, 7109300), (5, 5687440), (8, 3554650), (10, 2843720), (11, 2585200), (16, 1777325), (20, 1421860), (22, 1292600), (23, 1236400), (25, 1137488), (40, 710930), (44, 646300), (46, 618200), (50, 568744), (55, 517040), (80, 355465), (88, 323150), (92, 309100), (100, 284372), (110, 258520), (115, 247280), (176, 161575), (184, 154550), (200, 142186), (220, 129260), (230, 123640), (253, 112400), (275, 103408), (281, 101200), (368, 77275), (400, 71093), (440, 64630), (460, 61820), (506, 56200), (550, 51704), (562, 50600), (575, 49456), (880, 32315), (920, 30910), (1012, 28100), (1100, 25852), (1124, 25300), (1150, 24728), (1265, 22480), (1405, 20240), (1840, 15455), (2024, 14050), (2200, 12926), (2248, 12650), (2300, 12364), (2530, 11240), (2810, 10120), (3091, 9200), (4048, 7025), (4400, 6463), (4496, 6325), (4600, 6182), (5060, 5620)]