204117320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 509778360

約数和(自身を除く): 305661040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 181, 220, 233, 242, 362, 440, 466, 484, 605, 724, 905, 932, 968, 1165, 1210, 1448, 1810, 1864, 1991, 2330, 2420, 2563, 3620, 3982, 4660, 4840, 5126, 7240, 7964, 9320, 9955, 10252, 12815, 15928, 19910, 20504, 21901, 25630, 28193, 39820, 42173, 43802, 51260, 56386, 79640, 84346, 87604, 102520, 109505, 112772, 140965, 168692, 175208, 210865, 219010, 225544, 281930, 337384, 421730, 438020, 463903, 563860, 843460, 876040, 927806, 1127720, 1686920, 1855612, 2319515, 3711224, 4639030, 5102933, 9278060, 10205866, 18556120, 20411732, 25514665, 40823464, 51029330, 102058660, 204117320]

約数ペア:

[(1, 204117320), (2, 102058660), (4, 51029330), (5, 40823464), (8, 25514665), (10, 20411732), (11, 18556120), (20, 10205866), (22, 9278060), (40, 5102933), (44, 4639030), (55, 3711224), (88, 2319515), (110, 1855612), (121, 1686920), (181, 1127720), (220, 927806), (233, 876040), (242, 843460), (362, 563860), (440, 463903), (466, 438020), (484, 421730), (605, 337384), (724, 281930), (905, 225544), (932, 219010), (968, 210865), (1165, 175208), (1210, 168692), (1448, 140965), (1810, 112772), (1864, 109505), (1991, 102520), (2330, 87604), (2420, 84346), (2563, 79640), (3620, 56386), (3982, 51260), (4660, 43802), (4840, 42173), (5126, 39820), (7240, 28193), (7964, 25630), (9320, 21901), (9955, 20504), (10252, 19910), (12815, 15928)]