40808467900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1172

約数の個数: 144

約数和(自身を含む): 94493952000

約数和(自身を除く): 53685484100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 139, 190, 191, 278, 380, 382, 475, 556, 695, 764, 809, 950, 955, 1390, 1618, 1900, 1910, 2641, 2780, 3236, 3475, 3629, 3820, 4045, 4775, 5282, 6950, 7258, 8090, 9550, 10564, 13205, 13900, 14516, 15371, 16180, 18145, 19100, 20225, 26410, 26549, 30742, 36290, 40450, 52820, 53098, 61484, 66025, 72580, 76855, 80900, 90725, 106196, 112451, 132050, 132745, 153710, 154519, 181450, 224902, 264100, 265490, 307420, 309038, 362900, 384275, 449804, 504431, 530980, 562255, 618076, 663725, 768550, 772595, 1008862, 1124510, 1327450, 1537100, 1545190, 2017724, 2136569, 2249020, 2522155, 2654900, 2811275, 2935861, 3090380, 3862975, 4273138, 5044310, 5622550, 5871722, 7725950, 8546276, 10088620, 10682845, 11245100, 11743444, 12610775, 14679305, 15451900, 21365690, 21478141, 25221550, 29358610, 42731380, 42956282, 50443100, 53414225, 58717220, 73396525, 85912564, 106828450, 107390705, 146793050, 213656900, 214781410, 293586100, 408084679, 429562820, 536953525, 816169358, 1073907050, 1632338716, 2040423395, 2147814100, 4080846790, 8161693580, 10202116975, 20404233950, 40808467900]

約数ペア:

[(1, 40808467900), (2, 20404233950), (4, 10202116975), (5, 8161693580), (10, 4080846790), (19, 2147814100), (20, 2040423395), (25, 1632338716), (38, 1073907050), (50, 816169358), (76, 536953525), (95, 429562820), (100, 408084679), (139, 293586100), (190, 214781410), (191, 213656900), (278, 146793050), (380, 107390705), (382, 106828450), (475, 85912564), (556, 73396525), (695, 58717220), (764, 53414225), (809, 50443100), (950, 42956282), (955, 42731380), (1390, 29358610), (1618, 25221550), (1900, 21478141), (1910, 21365690), (2641, 15451900), (2780, 14679305), (3236, 12610775), (3475, 11743444), (3629, 11245100), (3820, 10682845), (4045, 10088620), (4775, 8546276), (5282, 7725950), (6950, 5871722), (7258, 5622550), (8090, 5044310), (9550, 4273138), (10564, 3862975), (13205, 3090380), (13900, 2935861), (14516, 2811275), (15371, 2654900), (16180, 2522155), (18145, 2249020), (19100, 2136569), (20225, 2017724), (26410, 1545190), (26549, 1537100), (30742, 1327450), (36290, 1124510), (40450, 1008862), (52820, 772595), (53098, 768550), (61484, 663725), (66025, 618076), (72580, 562255), (76855, 530980), (80900, 504431), (90725, 449804), (106196, 384275), (112451, 362900), (132050, 309038), (132745, 307420), (153710, 265490), (154519, 264100), (181450, 224902)]