1857401840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{3617}}^1$

素因数の和:3775

約数の個数: 120

約数和(自身を含む): 5063260752

約数和(自身を除く): 3205858912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 131, 140, 196, 245, 262, 280, 392, 490, 524, 560, 655, 784, 917, 980, 1048, 1310, 1834, 1960, 2096, 2620, 3617, 3668, 3920, 4585, 5240, 6419, 7234, 7336, 9170, 10480, 12838, 14468, 14672, 18085, 18340, 25319, 25676, 28936, 32095, 36170, 36680, 50638, 51352, 57872, 64190, 72340, 73360, 101276, 102704, 126595, 128380, 144680, 177233, 202552, 253190, 256760, 289360, 354466, 405104, 473827, 506380, 513520, 708932, 886165, 947654, 1012760, 1417864, 1772330, 1895308, 2025520, 2369135, 2835728, 3316789, 3544660, 3790616, 4738270, 6633578, 7089320, 7581232, 9476540, 13267156, 14178640, 16583945, 18953080, 23217523, 26534312, 33167890, 37906160, 46435046, 53068624, 66335780, 92870092, 116087615, 132671560, 185740184, 232175230, 265343120, 371480368, 464350460, 928700920, 1857401840]

約数ペア:

[(1, 1857401840), (2, 928700920), (4, 464350460), (5, 371480368), (7, 265343120), (8, 232175230), (10, 185740184), (14, 132671560), (16, 116087615), (20, 92870092), (28, 66335780), (35, 53068624), (40, 46435046), (49, 37906160), (56, 33167890), (70, 26534312), (80, 23217523), (98, 18953080), (112, 16583945), (131, 14178640), (140, 13267156), (196, 9476540), (245, 7581232), (262, 7089320), (280, 6633578), (392, 4738270), (490, 3790616), (524, 3544660), (560, 3316789), (655, 2835728), (784, 2369135), (917, 2025520), (980, 1895308), (1048, 1772330), (1310, 1417864), (1834, 1012760), (1960, 947654), (2096, 886165), (2620, 708932), (3617, 513520), (3668, 506380), (3920, 473827), (4585, 405104), (5240, 354466), (6419, 289360), (7234, 256760), (7336, 253190), (9170, 202552), (10480, 177233), (12838, 144680), (14468, 128380), (14672, 126595), (18085, 102704), (18340, 101276), (25319, 73360), (25676, 72340), (28936, 64190), (32095, 57872), (36170, 51352), (36680, 50638)]