221107600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 180

約数和(自身を含む): 640890900

約数和(自身を除く): 419783300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 80, 98, 100, 112, 116, 140, 145, 175, 196, 200, 203, 232, 245, 280, 290, 350, 389, 392, 400, 406, 464, 490, 560, 580, 700, 725, 778, 784, 812, 980, 1015, 1160, 1225, 1400, 1421, 1450, 1556, 1624, 1945, 1960, 2030, 2320, 2450, 2723, 2800, 2842, 2900, 3112, 3248, 3890, 3920, 4060, 4900, 5075, 5446, 5684, 5800, 6224, 7105, 7780, 8120, 9725, 9800, 10150, 10892, 11281, 11368, 11600, 13615, 14210, 15560, 16240, 19061, 19450, 19600, 20300, 21784, 22562, 22736, 27230, 28420, 31120, 35525, 38122, 38900, 40600, 43568, 45124, 54460, 56405, 56840, 68075, 71050, 76244, 77800, 78967, 81200, 90248, 95305, 108920, 112810, 113680, 136150, 142100, 152488, 155600, 157934, 180496, 190610, 217840, 225620, 272300, 282025, 284200, 304976, 315868, 381220, 394835, 451240, 476525, 544600, 552769, 564050, 568400, 631736, 762440, 789670, 902480, 953050, 1089200, 1105538, 1128100, 1263472, 1524880, 1579340, 1906100, 1974175, 2211076, 2256200, 2763845, 3158680, 3812200, 3948350, 4422152, 4512400, 5527690, 6317360, 7624400, 7896700, 8844304, 11055380, 13819225, 15793400, 22110760, 27638450, 31586800, 44221520, 55276900, 110553800, 221107600]

約数ペア:

[(1, 221107600), (2, 110553800), (4, 55276900), (5, 44221520), (7, 31586800), (8, 27638450), (10, 22110760), (14, 15793400), (16, 13819225), (20, 11055380), (25, 8844304), (28, 7896700), (29, 7624400), (35, 6317360), (40, 5527690), (49, 4512400), (50, 4422152), (56, 3948350), (58, 3812200), (70, 3158680), (80, 2763845), (98, 2256200), (100, 2211076), (112, 1974175), (116, 1906100), (140, 1579340), (145, 1524880), (175, 1263472), (196, 1128100), (200, 1105538), (203, 1089200), (232, 953050), (245, 902480), (280, 789670), (290, 762440), (350, 631736), (389, 568400), (392, 564050), (400, 552769), (406, 544600), (464, 476525), (490, 451240), (560, 394835), (580, 381220), (700, 315868), (725, 304976), (778, 284200), (784, 282025), (812, 272300), (980, 225620), (1015, 217840), (1160, 190610), (1225, 180496), (1400, 157934), (1421, 155600), (1450, 152488), (1556, 142100), (1624, 136150), (1945, 113680), (1960, 112810), (2030, 108920), (2320, 95305), (2450, 90248), (2723, 81200), (2800, 78967), (2842, 77800), (2900, 76244), (3112, 71050), (3248, 68075), (3890, 56840), (3920, 56405), (4060, 54460), (4900, 45124), (5075, 43568), (5446, 40600), (5684, 38900), (5800, 38122), (6224, 35525), (7105, 31120), (7780, 28420), (8120, 27230), (9725, 22736), (9800, 22562), (10150, 21784), (10892, 20300), (11281, 19600), (11368, 19450), (11600, 19061), (13615, 16240), (14210, 15560)]