291891040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1261

約数の個数: 144

約数和(自身を含む): 828745344

約数和(自身を除く): 536854304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1201, 1240, 1519, 1568, 1736, 1960, 2170, 2402, 2480, 3038, 3472, 3920, 4340, 4804, 4960, 6005, 6076, 6944, 7595, 7840, 8407, 8680, 9608, 12010, 12152, 15190, 16814, 17360, 19216, 24020, 24304, 30380, 33628, 34720, 37231, 38432, 42035, 48040, 48608, 58849, 60760, 67256, 74462, 84070, 96080, 117698, 121520, 134512, 148924, 168140, 186155, 192160, 235396, 243040, 260617, 269024, 294245, 297848, 336280, 372310, 470792, 521234, 588490, 595696, 672560, 744620, 941584, 1042468, 1176980, 1191392, 1303085, 1345120, 1489240, 1824319, 1883168, 2084936, 2353960, 2606170, 2978480, 3648638, 4169872, 4707920, 5212340, 5956960, 7297276, 8339744, 9121595, 9415840, 10424680, 14594552, 18243190, 20849360, 29189104, 36486380, 41698720, 58378208, 72972760, 145945520, 291891040]

約数ペア:

[(1, 291891040), (2, 145945520), (4, 72972760), (5, 58378208), (7, 41698720), (8, 36486380), (10, 29189104), (14, 20849360), (16, 18243190), (20, 14594552), (28, 10424680), (31, 9415840), (32, 9121595), (35, 8339744), (40, 7297276), (49, 5956960), (56, 5212340), (62, 4707920), (70, 4169872), (80, 3648638), (98, 2978480), (112, 2606170), (124, 2353960), (140, 2084936), (155, 1883168), (160, 1824319), (196, 1489240), (217, 1345120), (224, 1303085), (245, 1191392), (248, 1176980), (280, 1042468), (310, 941584), (392, 744620), (434, 672560), (490, 595696), (496, 588490), (560, 521234), (620, 470792), (784, 372310), (868, 336280), (980, 297848), (992, 294245), (1085, 269024), (1120, 260617), (1201, 243040), (1240, 235396), (1519, 192160), (1568, 186155), (1736, 168140), (1960, 148924), (2170, 134512), (2402, 121520), (2480, 117698), (3038, 96080), (3472, 84070), (3920, 74462), (4340, 67256), (4804, 60760), (4960, 58849), (6005, 48608), (6076, 48040), (6944, 42035), (7595, 38432), (7840, 37231), (8407, 34720), (8680, 33628), (9608, 30380), (12010, 24304), (12152, 24020), (15190, 19216), (16814, 17360)]