285407220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:670

約数の個数: 192

約数和(自身を含む): 982388736

約数和(自身を除く): 696981516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 71, 84, 85, 102, 105, 119, 140, 142, 170, 204, 210, 213, 238, 255, 284, 340, 355, 357, 420, 426, 476, 497, 510, 563, 595, 710, 714, 852, 994, 1020, 1065, 1126, 1190, 1207, 1420, 1428, 1491, 1689, 1785, 1988, 2130, 2252, 2380, 2414, 2485, 2815, 2982, 3378, 3570, 3621, 3941, 4260, 4828, 4970, 5630, 5964, 6035, 6756, 7140, 7242, 7455, 7882, 8445, 8449, 9571, 9940, 11260, 11823, 12070, 14484, 14910, 15764, 16890, 16898, 18105, 19142, 19705, 23646, 24140, 25347, 28713, 29820, 33780, 33796, 36210, 38284, 39410, 39973, 42245, 47292, 47855, 50694, 57426, 59115, 66997, 72420, 78820, 79946, 84490, 95710, 101388, 114852, 118230, 119919, 126735, 133994, 143565, 159892, 168980, 191420, 199865, 200991, 236460, 239838, 253470, 267988, 279811, 287130, 334985, 399730, 401982, 479676, 506940, 559622, 574260, 599595, 669970, 679541, 799460, 803964, 839433, 1004955, 1119244, 1199190, 1339940, 1359082, 1399055, 1678866, 2009910, 2038623, 2398380, 2718164, 2798110, 3357732, 3397705, 4019820, 4077246, 4197165, 4756787, 5596220, 6795410, 8154492, 8394330, 9513574, 10193115, 13590820, 14270361, 16788660, 19027148, 20386230, 23783935, 28540722, 40772460, 47567870, 57081444, 71351805, 95135740, 142703610, 285407220]

約数ペア:

[(1, 285407220), (2, 142703610), (3, 95135740), (4, 71351805), (5, 57081444), (6, 47567870), (7, 40772460), (10, 28540722), (12, 23783935), (14, 20386230), (15, 19027148), (17, 16788660), (20, 14270361), (21, 13590820), (28, 10193115), (30, 9513574), (34, 8394330), (35, 8154492), (42, 6795410), (51, 5596220), (60, 4756787), (68, 4197165), (70, 4077246), (71, 4019820), (84, 3397705), (85, 3357732), (102, 2798110), (105, 2718164), (119, 2398380), (140, 2038623), (142, 2009910), (170, 1678866), (204, 1399055), (210, 1359082), (213, 1339940), (238, 1199190), (255, 1119244), (284, 1004955), (340, 839433), (355, 803964), (357, 799460), (420, 679541), (426, 669970), (476, 599595), (497, 574260), (510, 559622), (563, 506940), (595, 479676), (710, 401982), (714, 399730), (852, 334985), (994, 287130), (1020, 279811), (1065, 267988), (1126, 253470), (1190, 239838), (1207, 236460), (1420, 200991), (1428, 199865), (1491, 191420), (1689, 168980), (1785, 159892), (1988, 143565), (2130, 133994), (2252, 126735), (2380, 119919), (2414, 118230), (2485, 114852), (2815, 101388), (2982, 95710), (3378, 84490), (3570, 79946), (3621, 78820), (3941, 72420), (4260, 66997), (4828, 59115), (4970, 57426), (5630, 50694), (5964, 47855), (6035, 47292), (6756, 42245), (7140, 39973), (7242, 39410), (7455, 38284), (7882, 36210), (8445, 33796), (8449, 33780), (9571, 29820), (9940, 28713), (11260, 25347), (11823, 24140), (12070, 23646), (14484, 19705), (14910, 19142), (15764, 18105), (16890, 16898)]