20138521550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{2287}}^1$

素因数の和:2626

約数の個数: 96

約数和(自身を含む): 43373890560

約数和(自身を除く): 23235369010

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 139, 175, 181, 278, 350, 362, 695, 905, 973, 1267, 1390, 1810, 1946, 2287, 2534, 3475, 4525, 4574, 4865, 6335, 6950, 9050, 9730, 11435, 12670, 16009, 22870, 24325, 25159, 31675, 32018, 48650, 50318, 57175, 63350, 80045, 114350, 125795, 160090, 176113, 251590, 317893, 352226, 400225, 413947, 628975, 635786, 800450, 827894, 880565, 1257950, 1589465, 1761130, 2069735, 2225251, 2897629, 3178930, 4139470, 4402825, 4450502, 5795258, 7947325, 8805650, 10348675, 11126255, 14488145, 15894650, 20697350, 22252510, 28976290, 55631275, 57538633, 72440725, 111262550, 115077266, 144881450, 287693165, 402770431, 575386330, 805540862, 1438465825, 2013852155, 2876931650, 4027704310, 10069260775, 20138521550]

約数ペア:

[(1, 20138521550), (2, 10069260775), (5, 4027704310), (7, 2876931650), (10, 2013852155), (14, 1438465825), (25, 805540862), (35, 575386330), (50, 402770431), (70, 287693165), (139, 144881450), (175, 115077266), (181, 111262550), (278, 72440725), (350, 57538633), (362, 55631275), (695, 28976290), (905, 22252510), (973, 20697350), (1267, 15894650), (1390, 14488145), (1810, 11126255), (1946, 10348675), (2287, 8805650), (2534, 7947325), (3475, 5795258), (4525, 4450502), (4574, 4402825), (4865, 4139470), (6335, 3178930), (6950, 2897629), (9050, 2225251), (9730, 2069735), (11435, 1761130), (12670, 1589465), (16009, 1257950), (22870, 880565), (24325, 827894), (25159, 800450), (31675, 635786), (32018, 628975), (48650, 413947), (50318, 400225), (57175, 352226), (63350, 317893), (80045, 251590), (114350, 176113), (125795, 160090)]