397288500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:427

約数の個数: 192

約数和(自身を含む): 1336118784

約数和(自身を除く): 938830284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 157, 175, 210, 241, 250, 300, 314, 350, 375, 420, 471, 482, 500, 525, 628, 700, 723, 750, 785, 875, 942, 964, 1050, 1099, 1205, 1446, 1500, 1570, 1687, 1750, 1884, 2100, 2198, 2355, 2410, 2625, 2892, 3140, 3297, 3374, 3500, 3615, 3925, 4396, 4710, 4820, 5061, 5250, 5495, 6025, 6594, 6748, 7230, 7850, 8435, 9420, 10122, 10500, 10990, 11775, 12050, 13188, 14460, 15700, 16485, 16870, 18075, 19625, 20244, 21980, 23550, 24100, 25305, 27475, 30125, 32970, 33740, 36150, 37837, 39250, 42175, 47100, 50610, 54950, 58875, 60250, 65940, 72300, 75674, 78500, 82425, 84350, 90375, 101220, 109900, 113511, 117750, 120500, 126525, 137375, 151348, 164850, 168700, 180750, 189185, 210875, 227022, 235500, 253050, 264859, 274750, 329700, 361500, 378370, 412125, 421750, 454044, 506100, 529718, 549500, 567555, 632625, 756740, 794577, 824250, 843500, 945925, 1059436, 1135110, 1265250, 1324295, 1589154, 1648500, 1891850, 2270220, 2530500, 2648590, 2837775, 3178308, 3783700, 3972885, 4729625, 5297180, 5675550, 6621475, 7945770, 9459250, 11351100, 13242950, 14188875, 15891540, 18918500, 19864425, 26485900, 28377750, 33107375, 39728850, 56755500, 66214750, 79457700, 99322125, 132429500, 198644250, 397288500]

約数ペア:

[(1, 397288500), (2, 198644250), (3, 132429500), (4, 99322125), (5, 79457700), (6, 66214750), (7, 56755500), (10, 39728850), (12, 33107375), (14, 28377750), (15, 26485900), (20, 19864425), (21, 18918500), (25, 15891540), (28, 14188875), (30, 13242950), (35, 11351100), (42, 9459250), (50, 7945770), (60, 6621475), (70, 5675550), (75, 5297180), (84, 4729625), (100, 3972885), (105, 3783700), (125, 3178308), (140, 2837775), (150, 2648590), (157, 2530500), (175, 2270220), (210, 1891850), (241, 1648500), (250, 1589154), (300, 1324295), (314, 1265250), (350, 1135110), (375, 1059436), (420, 945925), (471, 843500), (482, 824250), (500, 794577), (525, 756740), (628, 632625), (700, 567555), (723, 549500), (750, 529718), (785, 506100), (875, 454044), (942, 421750), (964, 412125), (1050, 378370), (1099, 361500), (1205, 329700), (1446, 274750), (1500, 264859), (1570, 253050), (1687, 235500), (1750, 227022), (1884, 210875), (2100, 189185), (2198, 180750), (2355, 168700), (2410, 164850), (2625, 151348), (2892, 137375), (3140, 126525), (3297, 120500), (3374, 117750), (3500, 113511), (3615, 109900), (3925, 101220), (4396, 90375), (4710, 84350), (4820, 82425), (5061, 78500), (5250, 75674), (5495, 72300), (6025, 65940), (6594, 60250), (6748, 58875), (7230, 54950), (7850, 50610), (8435, 47100), (9420, 42175), (10122, 39250), (10500, 37837), (10990, 36150), (11775, 33740), (12050, 32970), (13188, 30125), (14460, 27475), (15700, 25305), (16485, 24100), (16870, 23550), (18075, 21980), (19625, 20244)]