2005044990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 5303660544

約数和(自身を除く): 3298615554

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 271, 305, 311, 366, 390, 542, 610, 622, 793, 813, 915, 933, 1355, 1555, 1586, 1626, 1830, 1866, 2379, 2710, 3110, 3523, 3965, 4043, 4065, 4665, 4758, 7046, 7930, 8086, 8130, 9330, 10569, 11895, 12129, 16531, 17615, 18971, 20215, 21138, 23790, 24258, 33062, 35230, 37942, 40430, 49593, 52845, 56913, 60645, 82655, 84281, 94855, 99186, 105690, 113826, 121290, 165310, 168562, 189710, 214903, 246623, 247965, 252843, 284565, 421405, 429806, 493246, 495930, 505686, 569130, 644709, 739869, 842810, 1074515, 1095653, 1233115, 1264215, 1289418, 1479738, 2149030, 2191306, 2466230, 2528430, 3223545, 3286959, 3699345, 5141141, 5478265, 6447090, 6573918, 7398690, 10282282, 10956530, 15423423, 16434795, 25705705, 30846846, 32869590, 51411410, 66834833, 77117115, 133669666, 154234230, 200504499, 334174165, 401008998, 668348330, 1002522495, 2005044990]

約数ペア:

[(1, 2005044990), (2, 1002522495), (3, 668348330), (5, 401008998), (6, 334174165), (10, 200504499), (13, 154234230), (15, 133669666), (26, 77117115), (30, 66834833), (39, 51411410), (61, 32869590), (65, 30846846), (78, 25705705), (122, 16434795), (130, 15423423), (183, 10956530), (195, 10282282), (271, 7398690), (305, 6573918), (311, 6447090), (366, 5478265), (390, 5141141), (542, 3699345), (610, 3286959), (622, 3223545), (793, 2528430), (813, 2466230), (915, 2191306), (933, 2149030), (1355, 1479738), (1555, 1289418), (1586, 1264215), (1626, 1233115), (1830, 1095653), (1866, 1074515), (2379, 842810), (2710, 739869), (3110, 644709), (3523, 569130), (3965, 505686), (4043, 495930), (4065, 493246), (4665, 429806), (4758, 421405), (7046, 284565), (7930, 252843), (8086, 247965), (8130, 246623), (9330, 214903), (10569, 189710), (11895, 168562), (12129, 165310), (16531, 121290), (17615, 113826), (18971, 105690), (20215, 99186), (21138, 94855), (23790, 84281), (24258, 82655), (33062, 60645), (35230, 56913), (37942, 52845), (40430, 49593)]