197949420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1813

約数の個数: 120

約数和(自身を含む): 630086688

約数和(自身を除く): 432137268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 810, 852, 1065, 1278, 1420, 1620, 1721, 1917, 2130, 2556, 3195, 3442, 3834, 4260, 5163, 5751, 6390, 6884, 7668, 8605, 9585, 10326, 11502, 12780, 15489, 17210, 19170, 20652, 23004, 25815, 28755, 30978, 34420, 38340, 46467, 51630, 57510, 61956, 77445, 92934, 103260, 115020, 122191, 139401, 154890, 185868, 232335, 244382, 278802, 309780, 366573, 464670, 488764, 557604, 610955, 697005, 733146, 929340, 1099719, 1221910, 1394010, 1466292, 1832865, 2199438, 2443820, 2788020, 3299157, 3665730, 4398876, 5498595, 6598314, 7331460, 9897471, 10997190, 13196628, 16495785, 19794942, 21994380, 32991570, 39589884, 49487355, 65983140, 98974710, 197949420]

約数ペア:

[(1, 197949420), (2, 98974710), (3, 65983140), (4, 49487355), (5, 39589884), (6, 32991570), (9, 21994380), (10, 19794942), (12, 16495785), (15, 13196628), (18, 10997190), (20, 9897471), (27, 7331460), (30, 6598314), (36, 5498595), (45, 4398876), (54, 3665730), (60, 3299157), (71, 2788020), (81, 2443820), (90, 2199438), (108, 1832865), (135, 1466292), (142, 1394010), (162, 1221910), (180, 1099719), (213, 929340), (270, 733146), (284, 697005), (324, 610955), (355, 557604), (405, 488764), (426, 464670), (540, 366573), (639, 309780), (710, 278802), (810, 244382), (852, 232335), (1065, 185868), (1278, 154890), (1420, 139401), (1620, 122191), (1721, 115020), (1917, 103260), (2130, 92934), (2556, 77445), (3195, 61956), (3442, 57510), (3834, 51630), (4260, 46467), (5163, 38340), (5751, 34420), (6390, 30978), (6884, 28755), (7668, 25815), (8605, 23004), (9585, 20652), (10326, 19170), (11502, 17210), (12780, 15489)]