201829780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 477792000

約数和(自身を除く): 275962220

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 157, 170, 190, 199, 314, 323, 340, 380, 398, 628, 646, 785, 796, 995, 1292, 1570, 1615, 1990, 2669, 2983, 3140, 3230, 3383, 3781, 3980, 5338, 5966, 6460, 6766, 7562, 10676, 11932, 13345, 13532, 14915, 15124, 16915, 18905, 26690, 29830, 31243, 33830, 37810, 50711, 53380, 59660, 62486, 64277, 67660, 75620, 101422, 124972, 128554, 156215, 202844, 253555, 257108, 312430, 321385, 507110, 531131, 593617, 624860, 642770, 1014220, 1062262, 1187234, 1285540, 2124524, 2374468, 2655655, 2968085, 5311310, 5936170, 10091489, 10622620, 11872340, 20182978, 40365956, 50457445, 100914890, 201829780]

約数ペア:

[(1, 201829780), (2, 100914890), (4, 50457445), (5, 40365956), (10, 20182978), (17, 11872340), (19, 10622620), (20, 10091489), (34, 5936170), (38, 5311310), (68, 2968085), (76, 2655655), (85, 2374468), (95, 2124524), (157, 1285540), (170, 1187234), (190, 1062262), (199, 1014220), (314, 642770), (323, 624860), (340, 593617), (380, 531131), (398, 507110), (628, 321385), (646, 312430), (785, 257108), (796, 253555), (995, 202844), (1292, 156215), (1570, 128554), (1615, 124972), (1990, 101422), (2669, 75620), (2983, 67660), (3140, 64277), (3230, 62486), (3383, 59660), (3781, 53380), (3980, 50711), (5338, 37810), (5966, 33830), (6460, 31243), (6766, 29830), (7562, 26690), (10676, 18905), (11932, 16915), (13345, 15124), (13532, 14915)]