251017788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 720728064

約数和(自身を除く): 469710276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 47, 49, 62, 84, 93, 94, 98, 124, 141, 147, 186, 188, 196, 217, 282, 293, 294, 329, 372, 434, 564, 586, 588, 651, 658, 868, 879, 987, 1172, 1302, 1316, 1457, 1519, 1758, 1974, 2051, 2303, 2604, 2914, 3038, 3516, 3948, 4102, 4371, 4557, 4606, 5828, 6076, 6153, 6909, 8204, 8742, 9083, 9114, 9212, 10199, 12306, 13771, 13818, 14357, 17484, 18166, 18228, 20398, 24612, 27249, 27542, 27636, 28714, 30597, 36332, 40796, 41313, 43071, 54498, 55084, 57428, 61194, 63581, 71393, 82626, 86142, 96397, 108996, 122388, 127162, 142786, 165252, 172284, 190743, 192794, 214179, 254324, 285572, 289191, 381486, 385588, 426901, 428358, 445067, 578382, 674779, 762972, 853802, 856716, 890134, 1156764, 1280703, 1335201, 1349558, 1707604, 1780268, 2024337, 2561406, 2670402, 2699116, 2988307, 4048674, 5122812, 5340804, 5976614, 8097348, 8964921, 11953228, 17929842, 20918149, 35859684, 41836298, 62754447, 83672596, 125508894, 251017788]

約数ペア:

[(1, 251017788), (2, 125508894), (3, 83672596), (4, 62754447), (6, 41836298), (7, 35859684), (12, 20918149), (14, 17929842), (21, 11953228), (28, 8964921), (31, 8097348), (42, 5976614), (47, 5340804), (49, 5122812), (62, 4048674), (84, 2988307), (93, 2699116), (94, 2670402), (98, 2561406), (124, 2024337), (141, 1780268), (147, 1707604), (186, 1349558), (188, 1335201), (196, 1280703), (217, 1156764), (282, 890134), (293, 856716), (294, 853802), (329, 762972), (372, 674779), (434, 578382), (564, 445067), (586, 428358), (588, 426901), (651, 385588), (658, 381486), (868, 289191), (879, 285572), (987, 254324), (1172, 214179), (1302, 192794), (1316, 190743), (1457, 172284), (1519, 165252), (1758, 142786), (1974, 127162), (2051, 122388), (2303, 108996), (2604, 96397), (2914, 86142), (3038, 82626), (3516, 71393), (3948, 63581), (4102, 61194), (4371, 57428), (4557, 55084), (4606, 54498), (5828, 43071), (6076, 41313), (6153, 40796), (6909, 36332), (8204, 30597), (8742, 28714), (9083, 27636), (9114, 27542), (9212, 27249), (10199, 24612), (12306, 20398), (13771, 18228), (13818, 18166), (14357, 17484)]