290321920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:1000

約数の個数: 160

約数和(自身を含む): 843213888

約数和(自身を除く): 552891968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 512, 544, 560, 595, 640, 680, 896, 952, 953, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 1906, 2176, 2240, 2380, 2560, 2720, 3584, 3808, 3812, 4352, 4480, 4760, 4765, 5440, 6671, 7616, 7624, 8704, 8960, 9520, 9530, 10880, 13342, 15232, 15248, 16201, 17920, 19040, 19060, 21760, 26684, 30464, 30496, 32402, 33355, 38080, 38120, 43520, 53368, 60928, 60992, 64804, 66710, 76160, 76240, 81005, 106736, 113407, 121984, 129608, 133420, 152320, 152480, 162010, 213472, 226814, 243968, 259216, 266840, 304640, 304960, 324020, 426944, 453628, 487936, 518432, 533680, 567035, 609920, 648040, 853888, 907256, 1036864, 1067360, 1134070, 1219840, 1296080, 1707776, 1814512, 2073728, 2134720, 2268140, 2439680, 2592160, 3415552, 3629024, 4147456, 4269440, 4536280, 5184320, 7258048, 8294912, 8538880, 9072560, 10368640, 14516096, 17077760, 18145120, 20737280, 29032192, 36290240, 41474560, 58064384, 72580480, 145160960, 290321920]

約数ペア:

[(1, 290321920), (2, 145160960), (4, 72580480), (5, 58064384), (7, 41474560), (8, 36290240), (10, 29032192), (14, 20737280), (16, 18145120), (17, 17077760), (20, 14516096), (28, 10368640), (32, 9072560), (34, 8538880), (35, 8294912), (40, 7258048), (56, 5184320), (64, 4536280), (68, 4269440), (70, 4147456), (80, 3629024), (85, 3415552), (112, 2592160), (119, 2439680), (128, 2268140), (136, 2134720), (140, 2073728), (160, 1814512), (170, 1707776), (224, 1296080), (238, 1219840), (256, 1134070), (272, 1067360), (280, 1036864), (320, 907256), (340, 853888), (448, 648040), (476, 609920), (512, 567035), (544, 533680), (560, 518432), (595, 487936), (640, 453628), (680, 426944), (896, 324020), (952, 304960), (953, 304640), (1088, 266840), (1120, 259216), (1190, 243968), (1280, 226814), (1360, 213472), (1792, 162010), (1904, 152480), (1906, 152320), (2176, 133420), (2240, 129608), (2380, 121984), (2560, 113407), (2720, 106736), (3584, 81005), (3808, 76240), (3812, 76160), (4352, 66710), (4480, 64804), (4760, 60992), (4765, 60928), (5440, 53368), (6671, 43520), (7616, 38120), (7624, 38080), (8704, 33355), (8960, 32402), (9520, 30496), (9530, 30464), (10880, 26684), (13342, 21760), (15232, 19060), (15248, 19040), (16201, 17920)]