285839840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 216

約数和(自身を含む): 824277384

約数和(自身を除く): 538437544

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 160, 169, 176, 208, 220, 248, 260, 286, 310, 338, 341, 352, 403, 416, 440, 496, 520, 572, 620, 676, 682, 715, 806, 845, 880, 961, 992, 1040, 1144, 1240, 1352, 1364, 1430, 1612, 1690, 1705, 1760, 1859, 1922, 2015, 2080, 2288, 2480, 2704, 2728, 2860, 3224, 3380, 3410, 3718, 3844, 4030, 4433, 4576, 4805, 4960, 5239, 5408, 5456, 5720, 6448, 6760, 6820, 7436, 7688, 8060, 8866, 9295, 9610, 10478, 10571, 10912, 11440, 12493, 12896, 13520, 13640, 14872, 15376, 16120, 17732, 18590, 19220, 20956, 21142, 22165, 22880, 24986, 26195, 27040, 27280, 29744, 30752, 32240, 35464, 37180, 38440, 41912, 42284, 44330, 49972, 52390, 52855, 54560, 57629, 59488, 62465, 64480, 70928, 74360, 76880, 83824, 84568, 88660, 99944, 104780, 105710, 115258, 124930, 137423, 141856, 148720, 153760, 162409, 167648, 169136, 177320, 199888, 209560, 211420, 230516, 249860, 274846, 288145, 297440, 324818, 338272, 354640, 399776, 419120, 422840, 461032, 499720, 549692, 576290, 649636, 687115, 709280, 812045, 838240, 845680, 922064, 999440, 1099384, 1152580, 1299272, 1374230, 1624090, 1691360, 1786499, 1844128, 1998880, 2198768, 2305160, 2598544, 2748460, 3248180, 3572998, 4397536, 4610320, 5197088, 5496920, 6496360, 7145996, 8932495, 9220640, 10993840, 12992720, 14291992, 17864990, 21987680, 25985440, 28583984, 35729980, 57167968, 71459960, 142919920, 285839840]

約数ペア:

[(1, 285839840), (2, 142919920), (4, 71459960), (5, 57167968), (8, 35729980), (10, 28583984), (11, 25985440), (13, 21987680), (16, 17864990), (20, 14291992), (22, 12992720), (26, 10993840), (31, 9220640), (32, 8932495), (40, 7145996), (44, 6496360), (52, 5496920), (55, 5197088), (62, 4610320), (65, 4397536), (80, 3572998), (88, 3248180), (104, 2748460), (110, 2598544), (124, 2305160), (130, 2198768), (143, 1998880), (155, 1844128), (160, 1786499), (169, 1691360), (176, 1624090), (208, 1374230), (220, 1299272), (248, 1152580), (260, 1099384), (286, 999440), (310, 922064), (338, 845680), (341, 838240), (352, 812045), (403, 709280), (416, 687115), (440, 649636), (496, 576290), (520, 549692), (572, 499720), (620, 461032), (676, 422840), (682, 419120), (715, 399776), (806, 354640), (845, 338272), (880, 324818), (961, 297440), (992, 288145), (1040, 274846), (1144, 249860), (1240, 230516), (1352, 211420), (1364, 209560), (1430, 199888), (1612, 177320), (1690, 169136), (1705, 167648), (1760, 162409), (1859, 153760), (1922, 148720), (2015, 141856), (2080, 137423), (2288, 124930), (2480, 115258), (2704, 105710), (2728, 104780), (2860, 99944), (3224, 88660), (3380, 84568), (3410, 83824), (3718, 76880), (3844, 74360), (4030, 70928), (4433, 64480), (4576, 62465), (4805, 59488), (4960, 57629), (5239, 54560), (5408, 52855), (5456, 52390), (5720, 49972), (6448, 44330), (6760, 42284), (6820, 41912), (7436, 38440), (7688, 37180), (8060, 35464), (8866, 32240), (9295, 30752), (9610, 29744), (10478, 27280), (10571, 27040), (10912, 26195), (11440, 24986), (12493, 22880), (12896, 22165), (13520, 21142), (13640, 20956), (14872, 19220), (15376, 18590), (16120, 17732)]