257944908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 729308160

約数和(自身を除く): 471363252

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 29, 37, 39, 46, 52, 58, 67, 69, 74, 78, 87, 92, 111, 116, 134, 138, 148, 156, 174, 201, 222, 268, 276, 299, 348, 377, 402, 444, 481, 598, 667, 754, 804, 851, 871, 897, 962, 1073, 1131, 1196, 1334, 1443, 1508, 1541, 1702, 1742, 1794, 1924, 1943, 2001, 2146, 2262, 2479, 2553, 2613, 2668, 2886, 3082, 3219, 3404, 3484, 3588, 3886, 4002, 4292, 4524, 4623, 4958, 5106, 5226, 5772, 5829, 6164, 6438, 7437, 7772, 8004, 8671, 9246, 9916, 10212, 10452, 11063, 11658, 12876, 13949, 14874, 17342, 18492, 20033, 22126, 23316, 24679, 25259, 26013, 27898, 29748, 32227, 33189, 34684, 40066, 41847, 44252, 44689, 49358, 50518, 52026, 55796, 57017, 60099, 64454, 66378, 71891, 74037, 75777, 80132, 83694, 89378, 96681, 98716, 101036, 104052, 114034, 120198, 128908, 132756, 134067, 143782, 148074, 151554, 167388, 171051, 178756, 193362, 215673, 228068, 240396, 268134, 287564, 296148, 303108, 320827, 342102, 386724, 431346, 536268, 580957, 641654, 684204, 741221, 862692, 934583, 962481, 1161914, 1283308, 1482442, 1653493, 1742871, 1869166, 1924962, 2223663, 2323828, 2803749, 2964884, 3306986, 3485742, 3738332, 3849924, 4447326, 4960479, 5607498, 6613972, 6971484, 8894652, 9920958, 11214996, 19841916, 21495409, 42990818, 64486227, 85981636, 128972454, 257944908]

約数ペア:

[(1, 257944908), (2, 128972454), (3, 85981636), (4, 64486227), (6, 42990818), (12, 21495409), (13, 19841916), (23, 11214996), (26, 9920958), (29, 8894652), (37, 6971484), (39, 6613972), (46, 5607498), (52, 4960479), (58, 4447326), (67, 3849924), (69, 3738332), (74, 3485742), (78, 3306986), (87, 2964884), (92, 2803749), (111, 2323828), (116, 2223663), (134, 1924962), (138, 1869166), (148, 1742871), (156, 1653493), (174, 1482442), (201, 1283308), (222, 1161914), (268, 962481), (276, 934583), (299, 862692), (348, 741221), (377, 684204), (402, 641654), (444, 580957), (481, 536268), (598, 431346), (667, 386724), (754, 342102), (804, 320827), (851, 303108), (871, 296148), (897, 287564), (962, 268134), (1073, 240396), (1131, 228068), (1196, 215673), (1334, 193362), (1443, 178756), (1508, 171051), (1541, 167388), (1702, 151554), (1742, 148074), (1794, 143782), (1924, 134067), (1943, 132756), (2001, 128908), (2146, 120198), (2262, 114034), (2479, 104052), (2553, 101036), (2613, 98716), (2668, 96681), (2886, 89378), (3082, 83694), (3219, 80132), (3404, 75777), (3484, 74037), (3588, 71891), (3886, 66378), (4002, 64454), (4292, 60099), (4524, 57017), (4623, 55796), (4958, 52026), (5106, 50518), (5226, 49358), (5772, 44689), (5829, 44252), (6164, 41847), (6438, 40066), (7437, 34684), (7772, 33189), (8004, 32227), (8671, 29748), (9246, 27898), (9916, 26013), (10212, 25259), (10452, 24679), (11063, 23316), (11658, 22126), (12876, 20033), (13949, 18492), (14874, 17342)]