1999354240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4073}}^1$

素因数の和:4164

約数の個数: 128

約数和(自身を含む): 5235904800

約数和(自身を除く): 3236550560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 128, 130, 160, 208, 236, 260, 295, 320, 416, 472, 520, 590, 640, 767, 832, 944, 1040, 1180, 1534, 1664, 1888, 2080, 2360, 3068, 3776, 3835, 4073, 4160, 4720, 6136, 7552, 7670, 8146, 8320, 9440, 12272, 15340, 16292, 18880, 20365, 24544, 30680, 32584, 37760, 40730, 49088, 52949, 61360, 65168, 81460, 98176, 105898, 122720, 130336, 162920, 211796, 240307, 245440, 260672, 264745, 325840, 423592, 480614, 490880, 521344, 529490, 651680, 847184, 961228, 1058980, 1201535, 1303360, 1694368, 1922456, 2117960, 2403070, 2606720, 3123991, 3388736, 3844912, 4235920, 4806140, 6247982, 6777472, 7689824, 8471840, 9612280, 12495964, 15379648, 15619955, 16943680, 19224560, 24991928, 30759296, 31239910, 33887360, 38449120, 49983856, 62479820, 76898240, 99967712, 124959640, 153796480, 199935424, 249919280, 399870848, 499838560, 999677120, 1999354240]

約数ペア:

[(1, 1999354240), (2, 999677120), (4, 499838560), (5, 399870848), (8, 249919280), (10, 199935424), (13, 153796480), (16, 124959640), (20, 99967712), (26, 76898240), (32, 62479820), (40, 49983856), (52, 38449120), (59, 33887360), (64, 31239910), (65, 30759296), (80, 24991928), (104, 19224560), (118, 16943680), (128, 15619955), (130, 15379648), (160, 12495964), (208, 9612280), (236, 8471840), (260, 7689824), (295, 6777472), (320, 6247982), (416, 4806140), (472, 4235920), (520, 3844912), (590, 3388736), (640, 3123991), (767, 2606720), (832, 2403070), (944, 2117960), (1040, 1922456), (1180, 1694368), (1534, 1303360), (1664, 1201535), (1888, 1058980), (2080, 961228), (2360, 847184), (3068, 651680), (3776, 529490), (3835, 521344), (4073, 490880), (4160, 480614), (4720, 423592), (6136, 325840), (7552, 264745), (7670, 260672), (8146, 245440), (8320, 240307), (9440, 211796), (12272, 162920), (15340, 130336), (16292, 122720), (18880, 105898), (20365, 98176), (24544, 81460), (30680, 65168), (32584, 61360), (37760, 52949), (40730, 49088)]