290797360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2451

約数の個数: 120

約数和(自身を含む): 812198016

約数和(自身を除く): 521400656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2393, 2480, 3038, 3472, 3920, 4340, 4786, 6076, 7595, 8680, 9572, 11965, 12152, 15190, 16751, 17360, 19144, 23930, 24304, 30380, 33502, 38288, 47860, 60760, 67004, 74183, 83755, 95720, 117257, 121520, 134008, 148366, 167510, 191440, 234514, 268016, 296732, 335020, 370915, 469028, 519281, 586285, 593464, 670040, 741830, 938056, 1038562, 1172570, 1186928, 1340080, 1483660, 1876112, 2077124, 2345140, 2596405, 2967320, 3634967, 4154248, 4690280, 5192810, 5934640, 7269934, 8308496, 9380560, 10385620, 14539868, 18174835, 20771240, 29079736, 36349670, 41542480, 58159472, 72699340, 145398680, 290797360]

約数ペア:

[(1, 290797360), (2, 145398680), (4, 72699340), (5, 58159472), (7, 41542480), (8, 36349670), (10, 29079736), (14, 20771240), (16, 18174835), (20, 14539868), (28, 10385620), (31, 9380560), (35, 8308496), (40, 7269934), (49, 5934640), (56, 5192810), (62, 4690280), (70, 4154248), (80, 3634967), (98, 2967320), (112, 2596405), (124, 2345140), (140, 2077124), (155, 1876112), (196, 1483660), (217, 1340080), (245, 1186928), (248, 1172570), (280, 1038562), (310, 938056), (392, 741830), (434, 670040), (490, 593464), (496, 586285), (560, 519281), (620, 469028), (784, 370915), (868, 335020), (980, 296732), (1085, 268016), (1240, 234514), (1519, 191440), (1736, 167510), (1960, 148366), (2170, 134008), (2393, 121520), (2480, 117257), (3038, 95720), (3472, 83755), (3920, 74183), (4340, 67004), (4786, 60760), (6076, 47860), (7595, 38288), (8680, 33502), (9572, 30380), (11965, 24304), (12152, 23930), (15190, 19144), (16751, 17360)]