490353990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 128

約数和(自身を含む): 1384197120

約数和(自身を除く): 893843130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 101, 105, 122, 183, 202, 210, 303, 305, 366, 379, 427, 505, 606, 610, 707, 758, 854, 915, 1010, 1137, 1281, 1414, 1515, 1830, 1895, 2121, 2135, 2274, 2562, 2653, 3030, 3535, 3790, 4242, 4270, 5306, 5685, 6161, 6405, 7070, 7959, 10605, 11370, 12322, 12810, 13265, 15918, 18483, 21210, 23119, 26530, 30805, 36966, 38279, 39795, 43127, 46238, 61610, 69357, 76558, 79590, 86254, 92415, 114837, 115595, 129381, 138714, 161833, 184830, 191395, 215635, 229674, 231190, 258762, 267953, 323666, 346785, 382790, 431270, 485499, 535906, 574185, 646905, 693570, 803859, 809165, 970998, 1148370, 1293810, 1339765, 1607718, 1618330, 2335019, 2427495, 2679530, 4019295, 4670038, 4854990, 7005057, 8038590, 11675095, 14010114, 16345133, 23350190, 32690266, 35025285, 49035399, 70050570, 81725665, 98070798, 163451330, 245176995, 490353990]

約数ペア:

[(1, 490353990), (2, 245176995), (3, 163451330), (5, 98070798), (6, 81725665), (7, 70050570), (10, 49035399), (14, 35025285), (15, 32690266), (21, 23350190), (30, 16345133), (35, 14010114), (42, 11675095), (61, 8038590), (70, 7005057), (101, 4854990), (105, 4670038), (122, 4019295), (183, 2679530), (202, 2427495), (210, 2335019), (303, 1618330), (305, 1607718), (366, 1339765), (379, 1293810), (427, 1148370), (505, 970998), (606, 809165), (610, 803859), (707, 693570), (758, 646905), (854, 574185), (915, 535906), (1010, 485499), (1137, 431270), (1281, 382790), (1414, 346785), (1515, 323666), (1830, 267953), (1895, 258762), (2121, 231190), (2135, 229674), (2274, 215635), (2562, 191395), (2653, 184830), (3030, 161833), (3535, 138714), (3790, 129381), (4242, 115595), (4270, 114837), (5306, 92415), (5685, 86254), (6161, 79590), (6405, 76558), (7070, 69357), (7959, 61610), (10605, 46238), (11370, 43127), (12322, 39795), (12810, 38279), (13265, 36966), (15918, 30805), (18483, 26530), (21210, 23119)]