420908628

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{2287}}^1$

素因数の和:2621

約数の個数: 72

約数和(自身を含む): 1146617472

約数和(自身を除く): 725708844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 313, 588, 626, 939, 1252, 1878, 2191, 2287, 3756, 4382, 4574, 6573, 6861, 8764, 9148, 13146, 13722, 15337, 16009, 26292, 27444, 30674, 32018, 46011, 48027, 61348, 64036, 92022, 96054, 112063, 184044, 192108, 224126, 336189, 448252, 672378, 715831, 1344756, 1431662, 2147493, 2863324, 4294986, 5010817, 8589972, 10021634, 15032451, 20043268, 30064902, 35075719, 60129804, 70151438, 105227157, 140302876, 210454314, 420908628]

約数ペア:

[(1, 420908628), (2, 210454314), (3, 140302876), (4, 105227157), (6, 70151438), (7, 60129804), (12, 35075719), (14, 30064902), (21, 20043268), (28, 15032451), (42, 10021634), (49, 8589972), (84, 5010817), (98, 4294986), (147, 2863324), (196, 2147493), (294, 1431662), (313, 1344756), (588, 715831), (626, 672378), (939, 448252), (1252, 336189), (1878, 224126), (2191, 192108), (2287, 184044), (3756, 112063), (4382, 96054), (4574, 92022), (6573, 64036), (6861, 61348), (8764, 48027), (9148, 46011), (13146, 32018), (13722, 30674), (15337, 27444), (16009, 26292)]