449538440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 1141862400

約数和(自身を除く): 692323960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 79, 104, 124, 130, 155, 158, 248, 260, 310, 316, 353, 395, 403, 520, 620, 632, 706, 790, 806, 1027, 1240, 1412, 1580, 1612, 1765, 2015, 2054, 2449, 2824, 3160, 3224, 3530, 4030, 4108, 4589, 4898, 5135, 7060, 8060, 8216, 9178, 9796, 10270, 10943, 12245, 14120, 16120, 18356, 19592, 20540, 21886, 22945, 24490, 27887, 31837, 36712, 41080, 43772, 45890, 48980, 54715, 55774, 63674, 87544, 91780, 97960, 109430, 111548, 127348, 139435, 142259, 159185, 183560, 218860, 223096, 254696, 278870, 284518, 318370, 362531, 437720, 557740, 569036, 636740, 711295, 725062, 864497, 1115480, 1138072, 1273480, 1422590, 1450124, 1728994, 1812655, 2845180, 2900248, 3457988, 3625310, 4322485, 5690360, 6915976, 7250620, 8644970, 11238461, 14501240, 17289940, 22476922, 34579880, 44953844, 56192305, 89907688, 112384610, 224769220, 449538440]

約数ペア:

[(1, 449538440), (2, 224769220), (4, 112384610), (5, 89907688), (8, 56192305), (10, 44953844), (13, 34579880), (20, 22476922), (26, 17289940), (31, 14501240), (40, 11238461), (52, 8644970), (62, 7250620), (65, 6915976), (79, 5690360), (104, 4322485), (124, 3625310), (130, 3457988), (155, 2900248), (158, 2845180), (248, 1812655), (260, 1728994), (310, 1450124), (316, 1422590), (353, 1273480), (395, 1138072), (403, 1115480), (520, 864497), (620, 725062), (632, 711295), (706, 636740), (790, 569036), (806, 557740), (1027, 437720), (1240, 362531), (1412, 318370), (1580, 284518), (1612, 278870), (1765, 254696), (2015, 223096), (2054, 218860), (2449, 183560), (2824, 159185), (3160, 142259), (3224, 139435), (3530, 127348), (4030, 111548), (4108, 109430), (4589, 97960), (4898, 91780), (5135, 87544), (7060, 63674), (8060, 55774), (8216, 54715), (9178, 48980), (9796, 45890), (10270, 43772), (10943, 41080), (12245, 36712), (14120, 31837), (16120, 27887), (18356, 24490), (19592, 22945), (20540, 21886)]