991106480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1391

約数の個数: 160

約数和(自身を含む): 2864400000

約数和(自身を除く): 1873293520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 109, 112, 130, 140, 182, 208, 218, 260, 280, 364, 436, 455, 520, 545, 560, 728, 763, 872, 910, 1040, 1090, 1249, 1417, 1456, 1526, 1744, 1820, 2180, 2498, 2834, 3052, 3640, 3815, 4360, 4996, 5668, 6104, 6245, 7085, 7280, 7630, 8720, 8743, 9919, 9992, 11336, 12208, 12490, 14170, 15260, 16237, 17486, 19838, 19984, 22672, 24980, 28340, 30520, 32474, 34972, 39676, 43715, 49595, 49960, 56680, 61040, 64948, 69944, 79352, 81185, 87430, 99190, 99920, 113360, 113659, 129896, 136141, 139888, 158704, 162370, 174860, 198380, 227318, 259792, 272282, 324740, 349720, 396760, 454636, 544564, 568295, 649480, 680705, 699440, 793520, 909272, 952987, 1089128, 1136590, 1298960, 1361410, 1769833, 1818544, 1905974, 2178256, 2273180, 2722820, 3539666, 3811948, 4546360, 4764935, 5445640, 7079332, 7623896, 8849165, 9092720, 9529870, 10891280, 12388831, 14158664, 15247792, 17698330, 19059740, 24777662, 28317328, 35396660, 38119480, 49555324, 61944155, 70793320, 76238960, 99110648, 123888310, 141586640, 198221296, 247776620, 495553240, 991106480]

約数ペア:

[(1, 991106480), (2, 495553240), (4, 247776620), (5, 198221296), (7, 141586640), (8, 123888310), (10, 99110648), (13, 76238960), (14, 70793320), (16, 61944155), (20, 49555324), (26, 38119480), (28, 35396660), (35, 28317328), (40, 24777662), (52, 19059740), (56, 17698330), (65, 15247792), (70, 14158664), (80, 12388831), (91, 10891280), (104, 9529870), (109, 9092720), (112, 8849165), (130, 7623896), (140, 7079332), (182, 5445640), (208, 4764935), (218, 4546360), (260, 3811948), (280, 3539666), (364, 2722820), (436, 2273180), (455, 2178256), (520, 1905974), (545, 1818544), (560, 1769833), (728, 1361410), (763, 1298960), (872, 1136590), (910, 1089128), (1040, 952987), (1090, 909272), (1249, 793520), (1417, 699440), (1456, 680705), (1526, 649480), (1744, 568295), (1820, 544564), (2180, 454636), (2498, 396760), (2834, 349720), (3052, 324740), (3640, 272282), (3815, 259792), (4360, 227318), (4996, 198380), (5668, 174860), (6104, 162370), (6245, 158704), (7085, 139888), (7280, 136141), (7630, 129896), (8720, 113659), (8743, 113360), (9919, 99920), (9992, 99190), (11336, 87430), (12208, 81185), (12490, 79352), (14170, 69944), (15260, 64948), (16237, 61040), (17486, 56680), (19838, 49960), (19984, 49595), (22672, 43715), (24980, 39676), (28340, 34972), (30520, 32474)]