387995580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{853}}^1$

素因数の和:913

約数の個数: 216

約数和(自身を含む): 1421233632

約数和(自身を除く): 1033238052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 361, 380, 399, 420, 532, 570, 630, 665, 684, 722, 798, 853, 855, 1083, 1140, 1197, 1260, 1330, 1444, 1596, 1706, 1710, 1805, 1995, 2166, 2394, 2527, 2559, 2660, 3249, 3412, 3420, 3610, 3990, 4265, 4332, 4788, 5054, 5118, 5415, 5971, 5985, 6498, 7220, 7581, 7677, 7980, 8530, 10108, 10236, 10830, 11942, 11970, 12635, 12795, 12996, 15162, 15354, 16207, 16245, 17060, 17913, 21660, 22743, 23884, 23940, 25270, 25590, 29855, 30324, 30708, 32414, 32490, 35826, 37905, 38385, 45486, 48621, 50540, 51180, 53739, 59710, 64828, 64980, 71652, 75810, 76770, 81035, 89565, 90972, 97242, 107478, 113449, 113715, 119420, 145863, 151620, 153540, 162070, 179130, 194484, 214956, 226898, 227430, 243105, 268695, 291726, 307933, 324140, 340347, 358260, 453796, 454860, 486210, 537390, 567245, 583452, 615866, 680694, 729315, 923799, 972420, 1021041, 1074780, 1134490, 1231732, 1361388, 1458630, 1539665, 1701735, 1847598, 2042082, 2155531, 2268980, 2771397, 2917260, 3079330, 3403470, 3695196, 4084164, 4311062, 4618995, 5105205, 5542794, 6158660, 6466593, 6806940, 8622124, 9237990, 10210410, 10777655, 11085588, 12933186, 13856985, 18475980, 19399779, 20420820, 21555310, 25866372, 27713970, 32332965, 38799558, 43110620, 55427940, 64665930, 77599116, 96998895, 129331860, 193997790, 387995580]

約数ペア:

[(1, 387995580), (2, 193997790), (3, 129331860), (4, 96998895), (5, 77599116), (6, 64665930), (7, 55427940), (9, 43110620), (10, 38799558), (12, 32332965), (14, 27713970), (15, 25866372), (18, 21555310), (19, 20420820), (20, 19399779), (21, 18475980), (28, 13856985), (30, 12933186), (35, 11085588), (36, 10777655), (38, 10210410), (42, 9237990), (45, 8622124), (57, 6806940), (60, 6466593), (63, 6158660), (70, 5542794), (76, 5105205), (84, 4618995), (90, 4311062), (95, 4084164), (105, 3695196), (114, 3403470), (126, 3079330), (133, 2917260), (140, 2771397), (171, 2268980), (180, 2155531), (190, 2042082), (210, 1847598), (228, 1701735), (252, 1539665), (266, 1458630), (285, 1361388), (315, 1231732), (342, 1134490), (361, 1074780), (380, 1021041), (399, 972420), (420, 923799), (532, 729315), (570, 680694), (630, 615866), (665, 583452), (684, 567245), (722, 537390), (798, 486210), (853, 454860), (855, 453796), (1083, 358260), (1140, 340347), (1197, 324140), (1260, 307933), (1330, 291726), (1444, 268695), (1596, 243105), (1706, 227430), (1710, 226898), (1805, 214956), (1995, 194484), (2166, 179130), (2394, 162070), (2527, 153540), (2559, 151620), (2660, 145863), (3249, 119420), (3412, 113715), (3420, 113449), (3610, 107478), (3990, 97242), (4265, 90972), (4332, 89565), (4788, 81035), (5054, 76770), (5118, 75810), (5415, 71652), (5971, 64980), (5985, 64828), (6498, 59710), (7220, 53739), (7581, 51180), (7677, 50540), (7980, 48621), (8530, 45486), (10108, 38385), (10236, 37905), (10830, 35826), (11942, 32490), (11970, 32414), (12635, 30708), (12795, 30324), (12996, 29855), (15162, 25590), (15354, 25270), (16207, 23940), (16245, 23884), (17060, 22743), (17913, 21660)]