987549700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{761}}^1$

素因数の和:1477

約数の個数: 72

約数和(自身を含む): 2262042720

約数和(自身を除く): 1274493020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 683, 761, 950, 1366, 1522, 1900, 2732, 3044, 3415, 3805, 6830, 7610, 12977, 13660, 14459, 15220, 17075, 19025, 25954, 28918, 34150, 38050, 51908, 57836, 64885, 68300, 72295, 76100, 129770, 144590, 259540, 289180, 324425, 361475, 519763, 648850, 722950, 1039526, 1297700, 1445900, 2079052, 2598815, 5197630, 9875497, 10395260, 12994075, 19750994, 25988150, 39501988, 49377485, 51976300, 98754970, 197509940, 246887425, 493774850, 987549700]

約数ペア:

[(1, 987549700), (2, 493774850), (4, 246887425), (5, 197509940), (10, 98754970), (19, 51976300), (20, 49377485), (25, 39501988), (38, 25988150), (50, 19750994), (76, 12994075), (95, 10395260), (100, 9875497), (190, 5197630), (380, 2598815), (475, 2079052), (683, 1445900), (761, 1297700), (950, 1039526), (1366, 722950), (1522, 648850), (1900, 519763), (2732, 361475), (3044, 324425), (3415, 289180), (3805, 259540), (6830, 144590), (7610, 129770), (12977, 76100), (13660, 72295), (14459, 68300), (15220, 64885), (17075, 57836), (19025, 51908), (25954, 38050), (28918, 34150)]