2789808760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{15359}}^1$

素因数の和:15628

約数の個数: 64

約数和(自身を含む): 6635520000

約数和(自身を除く): 3845711240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 478, 760, 956, 1195, 1912, 2390, 4541, 4780, 9082, 9560, 15359, 18164, 22705, 30718, 36328, 45410, 61436, 76795, 90820, 122872, 153590, 181640, 291821, 307180, 583642, 614360, 1167284, 1459105, 2334568, 2918210, 3670801, 5836420, 7341602, 11672840, 14683204, 18354005, 29366408, 36708010, 69745219, 73416020, 139490438, 146832040, 278980876, 348726095, 557961752, 697452190, 1394904380, 2789808760]

約数ペア:

[(1, 2789808760), (2, 1394904380), (4, 697452190), (5, 557961752), (8, 348726095), (10, 278980876), (19, 146832040), (20, 139490438), (38, 73416020), (40, 69745219), (76, 36708010), (95, 29366408), (152, 18354005), (190, 14683204), (239, 11672840), (380, 7341602), (478, 5836420), (760, 3670801), (956, 2918210), (1195, 2334568), (1912, 1459105), (2390, 1167284), (4541, 614360), (4780, 583642), (9082, 307180), (9560, 291821), (15359, 181640), (18164, 153590), (22705, 122872), (30718, 90820), (36328, 76795), (45410, 61436)]