243670761860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1\times {\mathrm{90481}}^1$

素因数の和:90901

約数の個数: 72

約数和(自身を含む): 541511968536

約数和(自身を除く): 297841206676

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 373, 380, 722, 746, 1444, 1492, 1805, 1865, 3610, 3730, 7087, 7220, 7460, 14174, 28348, 35435, 70870, 90481, 134653, 141740, 180962, 269306, 361924, 452405, 538612, 673265, 904810, 1346530, 1719139, 1809620, 2693060, 3438278, 6876556, 8595695, 17191390, 32663641, 33749413, 34382780, 65327282, 67498826, 130654564, 134997652, 163318205, 168747065, 326636410, 337494130, 641238847, 653272820, 674988260, 1282477694, 2564955388, 3206194235, 6412388470, 12183538093, 12824776940, 24367076186, 48734152372, 60917690465, 121835380930, 243670761860]

約数ペア:

[(1, 243670761860), (2, 121835380930), (4, 60917690465), (5, 48734152372), (10, 24367076186), (19, 12824776940), (20, 12183538093), (38, 6412388470), (76, 3206194235), (95, 2564955388), (190, 1282477694), (361, 674988260), (373, 653272820), (380, 641238847), (722, 337494130), (746, 326636410), (1444, 168747065), (1492, 163318205), (1805, 134997652), (1865, 130654564), (3610, 67498826), (3730, 65327282), (7087, 34382780), (7220, 33749413), (7460, 32663641), (14174, 17191390), (28348, 8595695), (35435, 6876556), (70870, 3438278), (90481, 2693060), (134653, 1809620), (141740, 1719139), (180962, 1346530), (269306, 904810), (361924, 673265), (452405, 538612)]