248990490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2803}}^1$

素因数の和:2873

約数の個数: 128

約数和(自身を含む): 775249920

約数和(自身を除く): 526259430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 54, 63, 70, 90, 94, 105, 126, 135, 141, 189, 210, 235, 270, 282, 315, 329, 378, 423, 470, 630, 658, 705, 846, 945, 987, 1269, 1410, 1645, 1890, 1974, 2115, 2538, 2803, 2961, 3290, 4230, 4935, 5606, 5922, 6345, 8409, 8883, 9870, 12690, 14015, 14805, 16818, 17766, 19621, 25227, 28030, 29610, 39242, 42045, 44415, 50454, 58863, 75681, 84090, 88830, 98105, 117726, 126135, 131741, 151362, 176589, 196210, 252270, 263482, 294315, 353178, 378405, 395223, 529767, 588630, 658705, 756810, 790446, 882945, 922187, 1059534, 1185669, 1317410, 1765890, 1844374, 1976115, 2371338, 2648835, 2766561, 3557007, 3952230, 4610935, 5297670, 5533122, 5928345, 7114014, 8299683, 9221870, 11856690, 13832805, 16599366, 17785035, 24899049, 27665610, 35570070, 41498415, 49798098, 82996830, 124495245, 248990490]

約数ペア:

[(1, 248990490), (2, 124495245), (3, 82996830), (5, 49798098), (6, 41498415), (7, 35570070), (9, 27665610), (10, 24899049), (14, 17785035), (15, 16599366), (18, 13832805), (21, 11856690), (27, 9221870), (30, 8299683), (35, 7114014), (42, 5928345), (45, 5533122), (47, 5297670), (54, 4610935), (63, 3952230), (70, 3557007), (90, 2766561), (94, 2648835), (105, 2371338), (126, 1976115), (135, 1844374), (141, 1765890), (189, 1317410), (210, 1185669), (235, 1059534), (270, 922187), (282, 882945), (315, 790446), (329, 756810), (378, 658705), (423, 588630), (470, 529767), (630, 395223), (658, 378405), (705, 353178), (846, 294315), (945, 263482), (987, 252270), (1269, 196210), (1410, 176589), (1645, 151362), (1890, 131741), (1974, 126135), (2115, 117726), (2538, 98105), (2803, 88830), (2961, 84090), (3290, 75681), (4230, 58863), (4935, 50454), (5606, 44415), (5922, 42045), (6345, 39242), (8409, 29610), (8883, 28030), (9870, 25227), (12690, 19621), (14015, 17766), (14805, 16818)]