201993818780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2405261}}^1$

素因数の和:2405319

約数の個数: 96

約数和(自身を含む): 509145860160

約数和(自身を除く): 307152041380

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 646, 884, 988, 1105, 1235, 1292, 1615, 2210, 2470, 3230, 4199, 4420, 4940, 6460, 8398, 16796, 20995, 41990, 83980, 2405261, 4810522, 9621044, 12026305, 24052610, 31268393, 40889437, 45699959, 48105220, 62536786, 81778874, 91399918, 125073572, 156341965, 163557748, 182799836, 204447185, 228499795, 312683930, 408894370, 456999590, 531562681, 594099467, 625367860, 776899303, 817788740, 913999180, 1063125362, 1188198934, 1553798606, 2126250724, 2376397868, 2657813405, 2970497335, 3107597212, 3884496515, 5315626810, 5940994670, 7768993030, 10099690939, 10631253620, 11881989340, 15537986060, 20199381878, 40398763756, 50498454695, 100996909390, 201993818780]

約数ペア:

[(1, 201993818780), (2, 100996909390), (4, 50498454695), (5, 40398763756), (10, 20199381878), (13, 15537986060), (17, 11881989340), (19, 10631253620), (20, 10099690939), (26, 7768993030), (34, 5940994670), (38, 5315626810), (52, 3884496515), (65, 3107597212), (68, 2970497335), (76, 2657813405), (85, 2376397868), (95, 2126250724), (130, 1553798606), (170, 1188198934), (190, 1063125362), (221, 913999180), (247, 817788740), (260, 776899303), (323, 625367860), (340, 594099467), (380, 531562681), (442, 456999590), (494, 408894370), (646, 312683930), (884, 228499795), (988, 204447185), (1105, 182799836), (1235, 163557748), (1292, 156341965), (1615, 125073572), (2210, 91399918), (2470, 81778874), (3230, 62536786), (4199, 48105220), (4420, 45699959), (4940, 40889437), (6460, 31268393), (8398, 24052610), (16796, 12026305), (20995, 9621044), (41990, 4810522), (83980, 2405261)]