541210400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 1382411520

約数和(自身を除く): 841201120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 139, 155, 157, 160, 200, 248, 278, 310, 314, 400, 496, 556, 620, 628, 695, 775, 785, 800, 992, 1112, 1240, 1256, 1390, 1550, 1570, 2224, 2480, 2512, 2780, 3100, 3140, 3475, 3925, 4309, 4448, 4867, 4960, 5024, 5560, 6200, 6280, 6950, 7850, 8618, 9734, 11120, 12400, 12560, 13900, 15700, 17236, 19468, 21545, 21823, 22240, 24335, 24800, 25120, 27800, 31400, 34472, 38936, 43090, 43646, 48670, 55600, 62800, 68944, 77872, 86180, 87292, 97340, 107725, 109115, 111200, 121675, 125600, 137888, 155744, 172360, 174584, 194680, 215450, 218230, 243350, 344720, 349168, 389360, 430900, 436460, 486700, 545575, 676513, 689440, 698336, 778720, 861800, 872920, 973400, 1091150, 1353026, 1723600, 1745840, 1946800, 2182300, 2706052, 3382565, 3447200, 3491680, 3893600, 4364600, 5412104, 6765130, 8729200, 10824208, 13530260, 16912825, 17458400, 21648416, 27060520, 33825650, 54121040, 67651300, 108242080, 135302600, 270605200, 541210400]

約数ペア:

[(1, 541210400), (2, 270605200), (4, 135302600), (5, 108242080), (8, 67651300), (10, 54121040), (16, 33825650), (20, 27060520), (25, 21648416), (31, 17458400), (32, 16912825), (40, 13530260), (50, 10824208), (62, 8729200), (80, 6765130), (100, 5412104), (124, 4364600), (139, 3893600), (155, 3491680), (157, 3447200), (160, 3382565), (200, 2706052), (248, 2182300), (278, 1946800), (310, 1745840), (314, 1723600), (400, 1353026), (496, 1091150), (556, 973400), (620, 872920), (628, 861800), (695, 778720), (775, 698336), (785, 689440), (800, 676513), (992, 545575), (1112, 486700), (1240, 436460), (1256, 430900), (1390, 389360), (1550, 349168), (1570, 344720), (2224, 243350), (2480, 218230), (2512, 215450), (2780, 194680), (3100, 174584), (3140, 172360), (3475, 155744), (3925, 137888), (4309, 125600), (4448, 121675), (4867, 111200), (4960, 109115), (5024, 107725), (5560, 97340), (6200, 87292), (6280, 86180), (6950, 77872), (7850, 68944), (8618, 62800), (9734, 55600), (11120, 48670), (12400, 43646), (12560, 43090), (13900, 38936), (15700, 34472), (17236, 31400), (19468, 27800), (21545, 25120), (21823, 24800), (22240, 24335)]