255460212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 777434112

約数和(自身を除く): 521973900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 53, 62, 63, 84, 93, 106, 124, 126, 159, 186, 212, 217, 252, 279, 318, 371, 372, 434, 477, 558, 617, 636, 651, 742, 868, 954, 1113, 1116, 1234, 1302, 1484, 1643, 1851, 1908, 1953, 2226, 2468, 2604, 3286, 3339, 3702, 3906, 4319, 4452, 4929, 5553, 6572, 6678, 7404, 7812, 8638, 9858, 11106, 11501, 12957, 13356, 14787, 17276, 19127, 19716, 22212, 23002, 25914, 29574, 32701, 34503, 38254, 38871, 46004, 51828, 57381, 59148, 65402, 69006, 76508, 77742, 98103, 103509, 114762, 130804, 133889, 138012, 155484, 172143, 196206, 207018, 228907, 229524, 267778, 294309, 344286, 392412, 401667, 414036, 457814, 535556, 588618, 686721, 688572, 803334, 915628, 1013731, 1177236, 1205001, 1373442, 1606668, 2027462, 2060163, 2410002, 2746884, 3041193, 4054924, 4120326, 4820004, 6082386, 7096117, 8240652, 9123579, 12164772, 14192234, 18247158, 21288351, 28384468, 36494316, 42576702, 63865053, 85153404, 127730106, 255460212]

約数ペア:

[(1, 255460212), (2, 127730106), (3, 85153404), (4, 63865053), (6, 42576702), (7, 36494316), (9, 28384468), (12, 21288351), (14, 18247158), (18, 14192234), (21, 12164772), (28, 9123579), (31, 8240652), (36, 7096117), (42, 6082386), (53, 4820004), (62, 4120326), (63, 4054924), (84, 3041193), (93, 2746884), (106, 2410002), (124, 2060163), (126, 2027462), (159, 1606668), (186, 1373442), (212, 1205001), (217, 1177236), (252, 1013731), (279, 915628), (318, 803334), (371, 688572), (372, 686721), (434, 588618), (477, 535556), (558, 457814), (617, 414036), (636, 401667), (651, 392412), (742, 344286), (868, 294309), (954, 267778), (1113, 229524), (1116, 228907), (1234, 207018), (1302, 196206), (1484, 172143), (1643, 155484), (1851, 138012), (1908, 133889), (1953, 130804), (2226, 114762), (2468, 103509), (2604, 98103), (3286, 77742), (3339, 76508), (3702, 69006), (3906, 65402), (4319, 59148), (4452, 57381), (4929, 51828), (5553, 46004), (6572, 38871), (6678, 38254), (7404, 34503), (7812, 32701), (8638, 29574), (9858, 25914), (11106, 23002), (11501, 22212), (12957, 19716), (13356, 19127), (14787, 17276)]