408057260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 1007173440

約数和(自身を除く): 599116180

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 29, 46, 52, 58, 65, 92, 115, 116, 130, 145, 169, 181, 230, 260, 290, 299, 338, 362, 377, 460, 580, 598, 667, 676, 724, 754, 845, 905, 1196, 1334, 1495, 1508, 1690, 1810, 1885, 2353, 2668, 2990, 3335, 3380, 3620, 3770, 3887, 4163, 4706, 4901, 5249, 5980, 6670, 7540, 7774, 8326, 8671, 9412, 9802, 10498, 11765, 13340, 15548, 16652, 17342, 19435, 19604, 20815, 20996, 23530, 24505, 26245, 30589, 34684, 38870, 41630, 43355, 47060, 49010, 52490, 54119, 61178, 68237, 77740, 83260, 86710, 98020, 104980, 108238, 112723, 120727, 122356, 136474, 152945, 173420, 216476, 225446, 241454, 270595, 272948, 305890, 341185, 450892, 482908, 541190, 563615, 603635, 611780, 682370, 703547, 887081, 1082380, 1127230, 1207270, 1364740, 1407094, 1569451, 1774162, 2254460, 2414540, 2814188, 3138902, 3517735, 3548324, 4435405, 6277804, 7035470, 7847255, 8870810, 14070940, 15694510, 17741620, 20402863, 31389020, 40805726, 81611452, 102014315, 204028630, 408057260]

約数ペア:

[(1, 408057260), (2, 204028630), (4, 102014315), (5, 81611452), (10, 40805726), (13, 31389020), (20, 20402863), (23, 17741620), (26, 15694510), (29, 14070940), (46, 8870810), (52, 7847255), (58, 7035470), (65, 6277804), (92, 4435405), (115, 3548324), (116, 3517735), (130, 3138902), (145, 2814188), (169, 2414540), (181, 2254460), (230, 1774162), (260, 1569451), (290, 1407094), (299, 1364740), (338, 1207270), (362, 1127230), (377, 1082380), (460, 887081), (580, 703547), (598, 682370), (667, 611780), (676, 603635), (724, 563615), (754, 541190), (845, 482908), (905, 450892), (1196, 341185), (1334, 305890), (1495, 272948), (1508, 270595), (1690, 241454), (1810, 225446), (1885, 216476), (2353, 173420), (2668, 152945), (2990, 136474), (3335, 122356), (3380, 120727), (3620, 112723), (3770, 108238), (3887, 104980), (4163, 98020), (4706, 86710), (4901, 83260), (5249, 77740), (5980, 68237), (6670, 61178), (7540, 54119), (7774, 52490), (8326, 49010), (8671, 47060), (9412, 43355), (9802, 41630), (10498, 38870), (11765, 34684), (13340, 30589), (15548, 26245), (16652, 24505), (17342, 23530), (19435, 20996), (19604, 20815)]