399469968

素因数分解:

$2^4\times 3^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 200

約数和(自身を含む): 1220485376

約数和(自身を除く): 821015408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 61, 62, 72, 81, 93, 108, 122, 124, 144, 162, 163, 183, 186, 216, 244, 248, 279, 324, 326, 366, 372, 432, 488, 489, 496, 549, 558, 648, 652, 732, 744, 837, 976, 978, 1098, 1116, 1296, 1304, 1464, 1467, 1488, 1647, 1674, 1891, 1956, 2196, 2232, 2511, 2608, 2928, 2934, 3294, 3348, 3782, 3912, 4392, 4401, 4464, 4941, 5022, 5053, 5673, 5868, 6588, 6696, 7564, 7824, 8784, 8802, 9882, 9943, 10044, 10106, 11346, 11736, 13176, 13203, 13392, 15128, 15159, 17019, 17604, 19764, 19886, 20088, 20212, 22692, 23472, 26352, 26406, 29829, 30256, 30318, 34038, 35208, 39528, 39772, 40176, 40424, 45384, 45477, 51057, 52812, 59658, 60636, 68076, 70416, 79056, 79544, 80848, 89487, 90768, 90954, 102114, 105624, 119316, 121272, 136152, 136431, 153171, 159088, 178974, 181908, 204228, 211248, 238632, 242544, 268461, 272304, 272862, 306342, 308233, 357948, 363816, 408456, 409293, 477264, 536922, 545724, 612684, 616466, 715896, 727632, 805383, 816912, 818586, 924699, 1073844, 1091448, 1225368, 1232932, 1431792, 1610766, 1637172, 1849398, 2147688, 2182896, 2450736, 2465864, 2774097, 3221532, 3274344, 3698796, 4295376, 4931728, 5548194, 6443064, 6548688, 7397592, 8322291, 11096388, 12886128, 14795184, 16644582, 22192776, 24966873, 33289164, 44385552, 49933746, 66578328, 99867492, 133156656, 199734984, 399469968]

約数ペア:

[(1, 399469968), (2, 199734984), (3, 133156656), (4, 99867492), (6, 66578328), (8, 49933746), (9, 44385552), (12, 33289164), (16, 24966873), (18, 22192776), (24, 16644582), (27, 14795184), (31, 12886128), (36, 11096388), (48, 8322291), (54, 7397592), (61, 6548688), (62, 6443064), (72, 5548194), (81, 4931728), (93, 4295376), (108, 3698796), (122, 3274344), (124, 3221532), (144, 2774097), (162, 2465864), (163, 2450736), (183, 2182896), (186, 2147688), (216, 1849398), (244, 1637172), (248, 1610766), (279, 1431792), (324, 1232932), (326, 1225368), (366, 1091448), (372, 1073844), (432, 924699), (488, 818586), (489, 816912), (496, 805383), (549, 727632), (558, 715896), (648, 616466), (652, 612684), (732, 545724), (744, 536922), (837, 477264), (976, 409293), (978, 408456), (1098, 363816), (1116, 357948), (1296, 308233), (1304, 306342), (1464, 272862), (1467, 272304), (1488, 268461), (1647, 242544), (1674, 238632), (1891, 211248), (1956, 204228), (2196, 181908), (2232, 178974), (2511, 159088), (2608, 153171), (2928, 136431), (2934, 136152), (3294, 121272), (3348, 119316), (3782, 105624), (3912, 102114), (4392, 90954), (4401, 90768), (4464, 89487), (4941, 80848), (5022, 79544), (5053, 79056), (5673, 70416), (5868, 68076), (6588, 60636), (6696, 59658), (7564, 52812), (7824, 51057), (8784, 45477), (8802, 45384), (9882, 40424), (9943, 40176), (10044, 39772), (10106, 39528), (11346, 35208), (11736, 34038), (13176, 30318), (13203, 30256), (13392, 29829), (15128, 26406), (15159, 26352), (17019, 23472), (17604, 22692), (19764, 20212), (19886, 20088)]