420219124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 894136320

約数和(自身を除く): 473917196

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 127, 197, 221, 247, 254, 323, 394, 442, 494, 508, 646, 788, 884, 988, 1292, 1651, 2159, 2413, 2561, 3302, 3349, 3743, 4199, 4318, 4826, 5122, 6604, 6698, 7486, 8398, 8636, 9652, 10244, 13396, 14972, 16796, 25019, 28067, 31369, 41021, 43537, 48659, 50038, 56134, 62738, 63631, 82042, 87074, 97318, 100076, 112268, 125476, 127262, 164084, 174148, 194636, 254524, 325247, 425323, 475361, 533273, 650494, 827203, 850646, 950722, 1066546, 1300988, 1654406, 1701292, 1901444, 2133092, 3308812, 5529199, 6179693, 8081137, 11058398, 12359386, 16162274, 22116796, 24718772, 32324548, 105054781, 210109562, 420219124]

約数ペア:

[(1, 420219124), (2, 210109562), (4, 105054781), (13, 32324548), (17, 24718772), (19, 22116796), (26, 16162274), (34, 12359386), (38, 11058398), (52, 8081137), (68, 6179693), (76, 5529199), (127, 3308812), (197, 2133092), (221, 1901444), (247, 1701292), (254, 1654406), (323, 1300988), (394, 1066546), (442, 950722), (494, 850646), (508, 827203), (646, 650494), (788, 533273), (884, 475361), (988, 425323), (1292, 325247), (1651, 254524), (2159, 194636), (2413, 174148), (2561, 164084), (3302, 127262), (3349, 125476), (3743, 112268), (4199, 100076), (4318, 97318), (4826, 87074), (5122, 82042), (6604, 63631), (6698, 62738), (7486, 56134), (8398, 50038), (8636, 48659), (9652, 43537), (10244, 41021), (13396, 31369), (14972, 28067), (16796, 25019)]