202399780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1261

約数の個数: 96

約数和(自身を含む): 500411520

約数和(自身を除く): 298011740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 164, 190, 205, 209, 220, 380, 410, 418, 451, 779, 820, 836, 902, 1045, 1181, 1558, 1804, 2090, 2255, 2362, 3116, 3895, 4180, 4510, 4724, 5905, 7790, 8569, 9020, 11810, 12991, 15580, 17138, 22439, 23620, 25982, 34276, 42845, 44878, 48421, 51964, 64955, 85690, 89756, 96842, 112195, 129910, 171380, 193684, 224390, 242105, 246829, 259820, 448780, 484210, 493658, 532631, 919999, 968420, 987316, 1065262, 1234145, 1839998, 2130524, 2468290, 2663155, 3679996, 4599995, 4936580, 5326310, 9199990, 10119989, 10652620, 18399980, 20239978, 40479956, 50599945, 101199890, 202399780]

約数ペア:

[(1, 202399780), (2, 101199890), (4, 50599945), (5, 40479956), (10, 20239978), (11, 18399980), (19, 10652620), (20, 10119989), (22, 9199990), (38, 5326310), (41, 4936580), (44, 4599995), (55, 3679996), (76, 2663155), (82, 2468290), (95, 2130524), (110, 1839998), (164, 1234145), (190, 1065262), (205, 987316), (209, 968420), (220, 919999), (380, 532631), (410, 493658), (418, 484210), (451, 448780), (779, 259820), (820, 246829), (836, 242105), (902, 224390), (1045, 193684), (1181, 171380), (1558, 129910), (1804, 112195), (2090, 96842), (2255, 89756), (2362, 85690), (3116, 64955), (3895, 51964), (4180, 48421), (4510, 44878), (4724, 42845), (5905, 34276), (7790, 25982), (8569, 23620), (9020, 22439), (11810, 17138), (12991, 15580)]