490790388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 1333257408

約数和(自身を除く): 842467020

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 53, 62, 66, 73, 93, 106, 124, 132, 146, 159, 186, 212, 219, 292, 318, 341, 372, 438, 583, 636, 682, 803, 876, 961, 1023, 1166, 1364, 1606, 1643, 1749, 1922, 2046, 2263, 2332, 2409, 2883, 3212, 3286, 3498, 3844, 3869, 4092, 4526, 4818, 4929, 5766, 6572, 6789, 6996, 7738, 9052, 9636, 9858, 10571, 11532, 11607, 13578, 15476, 18073, 19716, 21142, 23214, 24893, 27156, 31713, 36146, 42284, 42559, 46428, 49786, 50933, 54219, 63426, 70153, 72292, 74679, 85118, 99572, 101866, 108438, 119939, 126852, 127677, 140306, 149358, 152799, 170236, 203732, 210459, 216876, 239878, 255354, 280612, 298716, 305598, 359817, 420918, 479756, 510708, 560263, 611196, 719634, 771683, 841836, 1120526, 1319329, 1439268, 1543366, 1680789, 2241052, 2315049, 2638658, 3086732, 3361578, 3718109, 3957987, 4630098, 5277316, 6723156, 7436218, 7915974, 9260196, 11154327, 14872436, 15831948, 22308654, 40899199, 44617308, 81798398, 122697597, 163596796, 245395194, 490790388]

約数ペア:

[(1, 490790388), (2, 245395194), (3, 163596796), (4, 122697597), (6, 81798398), (11, 44617308), (12, 40899199), (22, 22308654), (31, 15831948), (33, 14872436), (44, 11154327), (53, 9260196), (62, 7915974), (66, 7436218), (73, 6723156), (93, 5277316), (106, 4630098), (124, 3957987), (132, 3718109), (146, 3361578), (159, 3086732), (186, 2638658), (212, 2315049), (219, 2241052), (292, 1680789), (318, 1543366), (341, 1439268), (372, 1319329), (438, 1120526), (583, 841836), (636, 771683), (682, 719634), (803, 611196), (876, 560263), (961, 510708), (1023, 479756), (1166, 420918), (1364, 359817), (1606, 305598), (1643, 298716), (1749, 280612), (1922, 255354), (2046, 239878), (2263, 216876), (2332, 210459), (2409, 203732), (2883, 170236), (3212, 152799), (3286, 149358), (3498, 140306), (3844, 127677), (3869, 126852), (4092, 119939), (4526, 108438), (4818, 101866), (4929, 99572), (5766, 85118), (6572, 74679), (6789, 72292), (6996, 70153), (7738, 63426), (9052, 54219), (9636, 50933), (9858, 49786), (10571, 46428), (11532, 42559), (11607, 42284), (13578, 36146), (15476, 31713), (18073, 27156), (19716, 24893), (21142, 23214)]