1855413910

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:891

約数の個数: 128

約数和(自身を含む): 4209408000

約数和(自身を除く): 2353994090

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 49, 58, 70, 98, 115, 145, 161, 203, 230, 245, 290, 322, 343, 406, 490, 667, 686, 805, 811, 1015, 1127, 1334, 1421, 1610, 1622, 1715, 2030, 2254, 2842, 3335, 3430, 4055, 4669, 5635, 5677, 6670, 7105, 7889, 8110, 9338, 9947, 11270, 11354, 14210, 15778, 18653, 19894, 23345, 23519, 28385, 32683, 37306, 39445, 39739, 46690, 47038, 49735, 56770, 65366, 78890, 79478, 93265, 99470, 117595, 130571, 163415, 164633, 186530, 198695, 228781, 235190, 261142, 278173, 326830, 329266, 397390, 457562, 540937, 556346, 652855, 823165, 913997, 1081874, 1143905, 1152431, 1305710, 1390865, 1646330, 1827994, 2287810, 2304862, 2704685, 2781730, 3786559, 4569985, 5409370, 5762155, 6397979, 7573118, 8067017, 9139970, 11524310, 12795958, 16134034, 18932795, 26505913, 31989895, 37865590, 40335085, 53011826, 63979790, 80670170, 132529565, 185541391, 265059130, 371082782, 927706955, 1855413910]

約数ペア:

[(1, 1855413910), (2, 927706955), (5, 371082782), (7, 265059130), (10, 185541391), (14, 132529565), (23, 80670170), (29, 63979790), (35, 53011826), (46, 40335085), (49, 37865590), (58, 31989895), (70, 26505913), (98, 18932795), (115, 16134034), (145, 12795958), (161, 11524310), (203, 9139970), (230, 8067017), (245, 7573118), (290, 6397979), (322, 5762155), (343, 5409370), (406, 4569985), (490, 3786559), (667, 2781730), (686, 2704685), (805, 2304862), (811, 2287810), (1015, 1827994), (1127, 1646330), (1334, 1390865), (1421, 1305710), (1610, 1152431), (1622, 1143905), (1715, 1081874), (2030, 913997), (2254, 823165), (2842, 652855), (3335, 556346), (3430, 540937), (4055, 457562), (4669, 397390), (5635, 329266), (5677, 326830), (6670, 278173), (7105, 261142), (7889, 235190), (8110, 228781), (9338, 198695), (9947, 186530), (11270, 164633), (11354, 163415), (14210, 130571), (15778, 117595), (18653, 99470), (19894, 93265), (23345, 79478), (23519, 78890), (28385, 65366), (32683, 56770), (37306, 49735), (39445, 47038), (39739, 46690)]