8901900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{157}}^1$

素因数の和:190

約数の個数: 180

約数和(自身を含む): 33188848

約数和(自身を除く): 24286948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 157, 162, 175, 180, 189, 210, 225, 252, 270, 300, 314, 315, 324, 350, 378, 405, 420, 450, 471, 525, 540, 567, 628, 630, 675, 700, 756, 785, 810, 900, 942, 945, 1050, 1099, 1134, 1260, 1350, 1413, 1570, 1575, 1620, 1884, 1890, 2025, 2100, 2198, 2268, 2355, 2700, 2826, 2835, 3140, 3150, 3297, 3780, 3925, 4050, 4239, 4396, 4710, 4725, 5495, 5652, 5670, 6300, 6594, 7065, 7850, 8100, 8478, 9420, 9450, 9891, 10990, 11340, 11775, 12717, 13188, 14130, 14175, 15700, 16485, 16956, 18900, 19782, 21195, 21980, 23550, 25434, 27475, 28260, 28350, 29673, 32970, 35325, 39564, 42390, 47100, 49455, 50868, 54950, 56700, 59346, 63585, 65940, 70650, 82425, 84780, 89019, 98910, 105975, 109900, 118692, 127170, 141300, 148365, 164850, 178038, 197820, 211950, 247275, 254340, 296730, 317925, 329700, 356076, 423900, 445095, 494550, 593460, 635850, 741825, 890190, 989100, 1271700, 1483650, 1780380, 2225475, 2967300, 4450950, 8901900]

約数ペア:

[(1, 8901900), (2, 4450950), (3, 2967300), (4, 2225475), (5, 1780380), (6, 1483650), (7, 1271700), (9, 989100), (10, 890190), (12, 741825), (14, 635850), (15, 593460), (18, 494550), (20, 445095), (21, 423900), (25, 356076), (27, 329700), (28, 317925), (30, 296730), (35, 254340), (36, 247275), (42, 211950), (45, 197820), (50, 178038), (54, 164850), (60, 148365), (63, 141300), (70, 127170), (75, 118692), (81, 109900), (84, 105975), (90, 98910), (100, 89019), (105, 84780), (108, 82425), (126, 70650), (135, 65940), (140, 63585), (150, 59346), (157, 56700), (162, 54950), (175, 50868), (180, 49455), (189, 47100), (210, 42390), (225, 39564), (252, 35325), (270, 32970), (300, 29673), (314, 28350), (315, 28260), (324, 27475), (350, 25434), (378, 23550), (405, 21980), (420, 21195), (450, 19782), (471, 18900), (525, 16956), (540, 16485), (567, 15700), (628, 14175), (630, 14130), (675, 13188), (700, 12717), (756, 11775), (785, 11340), (810, 10990), (900, 9891), (942, 9450), (945, 9420), (1050, 8478), (1099, 8100), (1134, 7850), (1260, 7065), (1350, 6594), (1413, 6300), (1570, 5670), (1575, 5652), (1620, 5495), (1884, 4725), (1890, 4710), (2025, 4396), (2100, 4239), (2198, 4050), (2268, 3925), (2355, 3780), (2700, 3297), (2826, 3150), (2835, 3140)]