137420500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 358525440

約数和(自身を除く): 221104940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 71, 79, 98, 100, 125, 140, 142, 158, 175, 196, 245, 250, 284, 316, 350, 355, 395, 490, 497, 500, 553, 700, 710, 790, 875, 980, 994, 1106, 1225, 1420, 1580, 1750, 1775, 1975, 1988, 2212, 2450, 2485, 2765, 3479, 3500, 3550, 3871, 3950, 4900, 4970, 5530, 5609, 6125, 6958, 7100, 7742, 7900, 8875, 9875, 9940, 11060, 11218, 12250, 12425, 13825, 13916, 15484, 17395, 17750, 19355, 19750, 22436, 24500, 24850, 27650, 28045, 34790, 35500, 38710, 39263, 39500, 49700, 55300, 56090, 62125, 69125, 69580, 77420, 78526, 86975, 96775, 112180, 124250, 138250, 140225, 157052, 173950, 193550, 196315, 248500, 274841, 276500, 280450, 347900, 387100, 392630, 434875, 483875, 549682, 560900, 701125, 785260, 869750, 967750, 981575, 1099364, 1374205, 1402250, 1739500, 1935500, 1963150, 2748410, 2804500, 3926300, 4907875, 5496820, 6871025, 9815750, 13742050, 19631500, 27484100, 34355125, 68710250, 137420500]

約数ペア:

[(1, 137420500), (2, 68710250), (4, 34355125), (5, 27484100), (7, 19631500), (10, 13742050), (14, 9815750), (20, 6871025), (25, 5496820), (28, 4907875), (35, 3926300), (49, 2804500), (50, 2748410), (70, 1963150), (71, 1935500), (79, 1739500), (98, 1402250), (100, 1374205), (125, 1099364), (140, 981575), (142, 967750), (158, 869750), (175, 785260), (196, 701125), (245, 560900), (250, 549682), (284, 483875), (316, 434875), (350, 392630), (355, 387100), (395, 347900), (490, 280450), (497, 276500), (500, 274841), (553, 248500), (700, 196315), (710, 193550), (790, 173950), (875, 157052), (980, 140225), (994, 138250), (1106, 124250), (1225, 112180), (1420, 96775), (1580, 86975), (1750, 78526), (1775, 77420), (1975, 69580), (1988, 69125), (2212, 62125), (2450, 56090), (2485, 55300), (2765, 49700), (3479, 39500), (3500, 39263), (3550, 38710), (3871, 35500), (3950, 34790), (4900, 28045), (4970, 27650), (5530, 24850), (5609, 24500), (6125, 22436), (6958, 19750), (7100, 19355), (7742, 17750), (7900, 17395), (8875, 15484), (9875, 13916), (9940, 13825), (11060, 12425), (11218, 12250)]