487888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 1306319616

約数和(自身を除く): 818430676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 121, 140, 154, 166, 220, 242, 308, 332, 347, 385, 415, 484, 581, 605, 694, 770, 830, 847, 913, 1162, 1210, 1388, 1540, 1660, 1694, 1735, 1826, 2324, 2420, 2429, 2905, 3388, 3470, 3652, 3817, 4235, 4565, 4858, 5810, 6391, 6940, 7634, 8470, 9130, 9716, 10043, 11620, 12145, 12782, 15268, 16940, 18260, 19085, 20086, 24290, 25564, 26719, 28801, 31955, 38170, 40172, 41987, 48580, 50215, 53438, 57602, 63910, 70301, 76340, 83974, 100430, 106876, 115204, 127820, 133595, 140602, 144005, 167948, 200860, 201607, 209935, 267190, 281204, 288010, 293909, 316811, 351505, 403214, 419870, 534380, 576020, 587818, 633622, 703010, 806428, 839740, 1008035, 1175636, 1267244, 1406020, 1469545, 1584055, 2016070, 2217677, 2939090, 3168110, 3484921, 4032140, 4435354, 5878180, 6336220, 6969842, 8870708, 11088385, 13939684, 17424605, 22176770, 24394447, 34849210, 44353540, 48788894, 69698420, 97577788, 121972235, 243944470, 487888940]

約数ペア:

[(1, 487888940), (2, 243944470), (4, 121972235), (5, 97577788), (7, 69698420), (10, 48788894), (11, 44353540), (14, 34849210), (20, 24394447), (22, 22176770), (28, 17424605), (35, 13939684), (44, 11088385), (55, 8870708), (70, 6969842), (77, 6336220), (83, 5878180), (110, 4435354), (121, 4032140), (140, 3484921), (154, 3168110), (166, 2939090), (220, 2217677), (242, 2016070), (308, 1584055), (332, 1469545), (347, 1406020), (385, 1267244), (415, 1175636), (484, 1008035), (581, 839740), (605, 806428), (694, 703010), (770, 633622), (830, 587818), (847, 576020), (913, 534380), (1162, 419870), (1210, 403214), (1388, 351505), (1540, 316811), (1660, 293909), (1694, 288010), (1735, 281204), (1826, 267190), (2324, 209935), (2420, 201607), (2429, 200860), (2905, 167948), (3388, 144005), (3470, 140602), (3652, 133595), (3817, 127820), (4235, 115204), (4565, 106876), (4858, 100430), (5810, 83974), (6391, 76340), (6940, 70301), (7634, 63910), (8470, 57602), (9130, 53438), (9716, 50215), (10043, 48580), (11620, 41987), (12145, 40172), (12782, 38170), (15268, 31955), (16940, 28801), (18260, 26719), (19085, 25564), (20086, 24290)]