249667740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{28307}}^1$

素因数の和:28336

約数の個数: 108

約数和(自身を含む): 881001576

約数和(自身を除く): 631333836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 28307, 56614, 84921, 113228, 141535, 169842, 198149, 254763, 283070, 339684, 396298, 424605, 509526, 566140, 594447, 792596, 849210, 990745, 1019052, 1188894, 1273815, 1387043, 1698420, 1783341, 1981490, 2377788, 2547630, 2774086, 2972235, 3566682, 3962980, 4161129, 5095260, 5548172, 5944470, 6935215, 7133364, 8322258, 8916705, 11888940, 12483387, 13870430, 16644516, 17833410, 20805645, 24966774, 27740860, 35666820, 41611290, 49933548, 62416935, 83222580, 124833870, 249667740]

約数ペア:

[(1, 249667740), (2, 124833870), (3, 83222580), (4, 62416935), (5, 49933548), (6, 41611290), (7, 35666820), (9, 27740860), (10, 24966774), (12, 20805645), (14, 17833410), (15, 16644516), (18, 13870430), (20, 12483387), (21, 11888940), (28, 8916705), (30, 8322258), (35, 7133364), (36, 6935215), (42, 5944470), (45, 5548172), (49, 5095260), (60, 4161129), (63, 3962980), (70, 3566682), (84, 2972235), (90, 2774086), (98, 2547630), (105, 2377788), (126, 1981490), (140, 1783341), (147, 1698420), (180, 1387043), (196, 1273815), (210, 1188894), (245, 1019052), (252, 990745), (294, 849210), (315, 792596), (420, 594447), (441, 566140), (490, 509526), (588, 424605), (630, 396298), (735, 339684), (882, 283070), (980, 254763), (1260, 198149), (1470, 169842), (1764, 141535), (2205, 113228), (2940, 84921), (4410, 56614), (8820, 28307)]