28272200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 73120320

約数和(自身を除く): 44848120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 71, 88, 100, 110, 142, 181, 200, 220, 275, 284, 355, 362, 440, 550, 568, 710, 724, 781, 905, 1100, 1420, 1448, 1562, 1775, 1810, 1991, 2200, 2840, 3124, 3550, 3620, 3905, 3982, 4525, 6248, 7100, 7240, 7810, 7964, 9050, 9955, 12851, 14200, 15620, 15928, 18100, 19525, 19910, 25702, 31240, 36200, 39050, 39820, 49775, 51404, 64255, 78100, 79640, 99550, 102808, 128510, 141361, 156200, 199100, 257020, 282722, 321275, 398200, 514040, 565444, 642550, 706805, 1130888, 1285100, 1413610, 2570200, 2827220, 3534025, 5654440, 7068050, 14136100, 28272200]

約数ペア:

[(1, 28272200), (2, 14136100), (4, 7068050), (5, 5654440), (8, 3534025), (10, 2827220), (11, 2570200), (20, 1413610), (22, 1285100), (25, 1130888), (40, 706805), (44, 642550), (50, 565444), (55, 514040), (71, 398200), (88, 321275), (100, 282722), (110, 257020), (142, 199100), (181, 156200), (200, 141361), (220, 128510), (275, 102808), (284, 99550), (355, 79640), (362, 78100), (440, 64255), (550, 51404), (568, 49775), (710, 39820), (724, 39050), (781, 36200), (905, 31240), (1100, 25702), (1420, 19910), (1448, 19525), (1562, 18100), (1775, 15928), (1810, 15620), (1991, 14200), (2200, 12851), (2840, 9955), (3124, 9050), (3550, 7964), (3620, 7810), (3905, 7240), (3982, 7100), (4525, 6248)]