2017894540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 4483100160

約数和(自身を除く): 2465205620

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 151, 164, 172, 205, 215, 302, 379, 410, 430, 604, 755, 758, 820, 860, 1510, 1516, 1763, 1895, 3020, 3526, 3790, 6191, 6493, 7052, 7580, 8815, 12382, 12986, 15539, 16297, 17630, 24764, 25972, 30955, 31078, 32465, 32594, 35260, 57229, 61910, 62156, 64930, 65188, 77695, 81485, 114458, 123820, 129860, 155390, 162970, 228916, 266213, 286145, 310780, 325940, 532426, 572290, 668177, 1064852, 1144580, 1331065, 1336354, 2346389, 2460847, 2662130, 2672708, 3340885, 4692778, 4921694, 5324260, 6681770, 9385556, 9843388, 11731945, 12304235, 13363540, 23463890, 24608470, 46927780, 49216940, 100894727, 201789454, 403578908, 504473635, 1008947270, 2017894540]

約数ペア:

[(1, 2017894540), (2, 1008947270), (4, 504473635), (5, 403578908), (10, 201789454), (20, 100894727), (41, 49216940), (43, 46927780), (82, 24608470), (86, 23463890), (151, 13363540), (164, 12304235), (172, 11731945), (205, 9843388), (215, 9385556), (302, 6681770), (379, 5324260), (410, 4921694), (430, 4692778), (604, 3340885), (755, 2672708), (758, 2662130), (820, 2460847), (860, 2346389), (1510, 1336354), (1516, 1331065), (1763, 1144580), (1895, 1064852), (3020, 668177), (3526, 572290), (3790, 532426), (6191, 325940), (6493, 310780), (7052, 286145), (7580, 266213), (8815, 228916), (12382, 162970), (12986, 155390), (15539, 129860), (16297, 123820), (17630, 114458), (24764, 81485), (25972, 77695), (30955, 65188), (31078, 64930), (32465, 62156), (32594, 61910), (35260, 57229)]