245877100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 162

約数和(自身を含む): 659762460

約数和(自身を除く): 413885360

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 139, 140, 175, 190, 196, 245, 266, 278, 350, 361, 380, 475, 490, 532, 556, 665, 695, 700, 722, 931, 950, 973, 980, 1225, 1330, 1390, 1444, 1805, 1862, 1900, 1946, 2450, 2527, 2641, 2660, 2780, 3325, 3475, 3610, 3724, 3892, 4655, 4865, 4900, 5054, 5282, 6650, 6811, 6950, 7220, 9025, 9310, 9730, 10108, 10564, 12635, 13205, 13300, 13622, 13900, 17689, 18050, 18487, 18620, 19460, 23275, 24325, 25270, 26410, 27244, 34055, 35378, 36100, 36974, 46550, 48650, 50179, 50540, 52820, 63175, 66025, 68110, 70756, 73948, 88445, 92435, 93100, 97300, 100358, 126350, 129409, 132050, 136220, 170275, 176890, 184870, 200716, 250895, 252700, 258818, 264100, 340550, 351253, 353780, 369740, 442225, 462175, 501790, 517636, 647045, 681100, 702506, 884450, 924350, 1003580, 1254475, 1294090, 1405012, 1756265, 1768900, 1848700, 2458771, 2508950, 2588180, 3235225, 3512530, 4917542, 5017900, 6470450, 7025060, 8781325, 9835084, 12293855, 12940900, 17562650, 24587710, 35125300, 49175420, 61469275, 122938550, 245877100]

約数ペア:

[(1, 245877100), (2, 122938550), (4, 61469275), (5, 49175420), (7, 35125300), (10, 24587710), (14, 17562650), (19, 12940900), (20, 12293855), (25, 9835084), (28, 8781325), (35, 7025060), (38, 6470450), (49, 5017900), (50, 4917542), (70, 3512530), (76, 3235225), (95, 2588180), (98, 2508950), (100, 2458771), (133, 1848700), (139, 1768900), (140, 1756265), (175, 1405012), (190, 1294090), (196, 1254475), (245, 1003580), (266, 924350), (278, 884450), (350, 702506), (361, 681100), (380, 647045), (475, 517636), (490, 501790), (532, 462175), (556, 442225), (665, 369740), (695, 353780), (700, 351253), (722, 340550), (931, 264100), (950, 258818), (973, 252700), (980, 250895), (1225, 200716), (1330, 184870), (1390, 176890), (1444, 170275), (1805, 136220), (1862, 132050), (1900, 129409), (1946, 126350), (2450, 100358), (2527, 97300), (2641, 93100), (2660, 92435), (2780, 88445), (3325, 73948), (3475, 70756), (3610, 68110), (3724, 66025), (3892, 63175), (4655, 52820), (4865, 50540), (4900, 50179), (5054, 48650), (5282, 46550), (6650, 36974), (6811, 36100), (6950, 35378), (7220, 34055), (9025, 27244), (9310, 26410), (9730, 25270), (10108, 24325), (10564, 23275), (12635, 19460), (13205, 18620), (13300, 18487), (13622, 18050), (13900, 17689)]