1247492740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1421

約数の個数: 96

約数和(自身を含む): 2927957760

約数和(自身を除く): 1680465020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 103, 130, 148, 185, 206, 260, 370, 412, 481, 515, 740, 962, 1030, 1259, 1339, 1924, 2060, 2405, 2518, 2678, 3811, 4810, 5036, 5356, 6295, 6695, 7622, 9620, 12590, 13390, 15244, 16367, 19055, 25180, 26780, 32734, 38110, 46583, 49543, 65468, 76220, 81835, 93166, 99086, 129677, 163670, 186332, 198172, 232915, 247715, 259354, 327340, 465830, 495430, 518708, 605579, 648385, 931660, 990860, 1211158, 1296770, 1685801, 2422316, 2593540, 3027895, 3371602, 4798049, 6055790, 6743204, 8429005, 9596098, 12111580, 16858010, 19192196, 23990245, 33716020, 47980490, 62374637, 95960980, 124749274, 249498548, 311873185, 623746370, 1247492740]

約数ペア:

[(1, 1247492740), (2, 623746370), (4, 311873185), (5, 249498548), (10, 124749274), (13, 95960980), (20, 62374637), (26, 47980490), (37, 33716020), (52, 23990245), (65, 19192196), (74, 16858010), (103, 12111580), (130, 9596098), (148, 8429005), (185, 6743204), (206, 6055790), (260, 4798049), (370, 3371602), (412, 3027895), (481, 2593540), (515, 2422316), (740, 1685801), (962, 1296770), (1030, 1211158), (1259, 990860), (1339, 931660), (1924, 648385), (2060, 605579), (2405, 518708), (2518, 495430), (2678, 465830), (3811, 327340), (4810, 259354), (5036, 247715), (5356, 232915), (6295, 198172), (6695, 186332), (7622, 163670), (9620, 129677), (12590, 99086), (13390, 93166), (15244, 81835), (16367, 76220), (19055, 65468), (25180, 49543), (26780, 46583), (32734, 38110)]