1901301920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{7823}}^1$

素因数の和:7883

約数の個数: 144

約数和(自身を含む): 5394428928

約数和(自身を除く): 3493127008

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, 1240, 1519, 1568, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 4960, 6076, 6944, 7595, 7823, 7840, 8680, 12152, 15190, 15646, 17360, 24304, 30380, 31292, 34720, 39115, 48608, 54761, 60760, 62584, 78230, 109522, 121520, 125168, 156460, 219044, 242513, 243040, 250336, 273805, 312920, 383327, 438088, 485026, 547610, 625840, 766654, 876176, 970052, 1095220, 1212565, 1251680, 1533308, 1697591, 1752352, 1916635, 1940104, 2190440, 2425130, 3066616, 3395182, 3833270, 3880208, 4380880, 4850260, 6133232, 6790364, 7666540, 7760416, 8487955, 8761760, 9700520, 11883137, 12266464, 13580728, 15333080, 16975910, 19401040, 23766274, 27161456, 30666160, 33951820, 38802080, 47532548, 54322912, 59415685, 61332320, 67903640, 95065096, 118831370, 135807280, 190130192, 237662740, 271614560, 380260384, 475325480, 950650960, 1901301920]

約数ペア:

[(1, 1901301920), (2, 950650960), (4, 475325480), (5, 380260384), (7, 271614560), (8, 237662740), (10, 190130192), (14, 135807280), (16, 118831370), (20, 95065096), (28, 67903640), (31, 61332320), (32, 59415685), (35, 54322912), (40, 47532548), (49, 38802080), (56, 33951820), (62, 30666160), (70, 27161456), (80, 23766274), (98, 19401040), (112, 16975910), (124, 15333080), (140, 13580728), (155, 12266464), (160, 11883137), (196, 9700520), (217, 8761760), (224, 8487955), (245, 7760416), (248, 7666540), (280, 6790364), (310, 6133232), (392, 4850260), (434, 4380880), (490, 3880208), (496, 3833270), (560, 3395182), (620, 3066616), (784, 2425130), (868, 2190440), (980, 1940104), (992, 1916635), (1085, 1752352), (1120, 1697591), (1240, 1533308), (1519, 1251680), (1568, 1212565), (1736, 1095220), (1960, 970052), (2170, 876176), (2480, 766654), (3038, 625840), (3472, 547610), (3920, 485026), (4340, 438088), (4960, 383327), (6076, 312920), (6944, 273805), (7595, 250336), (7823, 243040), (7840, 242513), (8680, 219044), (12152, 156460), (15190, 125168), (15646, 121520), (17360, 109522), (24304, 78230), (30380, 62584), (31292, 60760), (34720, 54761), (39115, 48608)]