280078812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8429}}^1$

素因数の和:8523

約数の個数: 72

約数和(自身を含む): 773267040

約数和(自身を除く): 493188228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2556, 2769, 3692, 5538, 8307, 8429, 11076, 16614, 16858, 25287, 33228, 33716, 50574, 75861, 101148, 109577, 151722, 219154, 303444, 328731, 438308, 598459, 657462, 986193, 1196918, 1314924, 1795377, 1972386, 2393836, 3590754, 3944772, 5386131, 7181508, 7779967, 10772262, 15559934, 21544524, 23339901, 31119868, 46679802, 70019703, 93359604, 140039406, 280078812]

約数ペア:

[(1, 280078812), (2, 140039406), (3, 93359604), (4, 70019703), (6, 46679802), (9, 31119868), (12, 23339901), (13, 21544524), (18, 15559934), (26, 10772262), (36, 7779967), (39, 7181508), (52, 5386131), (71, 3944772), (78, 3590754), (117, 2393836), (142, 1972386), (156, 1795377), (213, 1314924), (234, 1196918), (284, 986193), (426, 657462), (468, 598459), (639, 438308), (852, 328731), (923, 303444), (1278, 219154), (1846, 151722), (2556, 109577), (2769, 101148), (3692, 75861), (5538, 50574), (8307, 33716), (8429, 33228), (11076, 25287), (16614, 16858)]