284967320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 746496000

約数和(自身を除く): 461528680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 89, 95, 110, 152, 178, 190, 209, 220, 356, 380, 383, 418, 440, 445, 712, 760, 766, 836, 890, 979, 1045, 1532, 1672, 1691, 1780, 1915, 1958, 2090, 3064, 3382, 3560, 3830, 3916, 4180, 4213, 4895, 6764, 7277, 7660, 7832, 8360, 8426, 8455, 9790, 13528, 14554, 15320, 16852, 16910, 18601, 19580, 21065, 29108, 33704, 33820, 34087, 36385, 37202, 39160, 42130, 58216, 67640, 68174, 72770, 74404, 80047, 84260, 93005, 136348, 145540, 148808, 160094, 168520, 170435, 186010, 272696, 291080, 320188, 340870, 372020, 374957, 400235, 640376, 647653, 681740, 744040, 749914, 800470, 1295306, 1363480, 1499828, 1600940, 1874785, 2590612, 2999656, 3201880, 3238265, 3749570, 5181224, 6476530, 7124183, 7499140, 12953060, 14248366, 14998280, 25906120, 28496732, 35620915, 56993464, 71241830, 142483660, 284967320]

約数ペア:

[(1, 284967320), (2, 142483660), (4, 71241830), (5, 56993464), (8, 35620915), (10, 28496732), (11, 25906120), (19, 14998280), (20, 14248366), (22, 12953060), (38, 7499140), (40, 7124183), (44, 6476530), (55, 5181224), (76, 3749570), (88, 3238265), (89, 3201880), (95, 2999656), (110, 2590612), (152, 1874785), (178, 1600940), (190, 1499828), (209, 1363480), (220, 1295306), (356, 800470), (380, 749914), (383, 744040), (418, 681740), (440, 647653), (445, 640376), (712, 400235), (760, 374957), (766, 372020), (836, 340870), (890, 320188), (979, 291080), (1045, 272696), (1532, 186010), (1672, 170435), (1691, 168520), (1780, 160094), (1915, 148808), (1958, 145540), (2090, 136348), (3064, 93005), (3382, 84260), (3560, 80047), (3830, 74404), (3916, 72770), (4180, 68174), (4213, 67640), (4895, 58216), (6764, 42130), (7277, 39160), (7660, 37202), (7832, 36385), (8360, 34087), (8426, 33820), (8455, 33704), (9790, 29108), (13528, 21065), (14554, 19580), (15320, 18601), (16852, 16910)]