21908311600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{14149}}^1$

素因数の和:14260

約数の個数: 180

約数和(自身を含む): 62007564000

約数和(自身を除く): 40099252400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 80, 98, 100, 112, 140, 158, 175, 196, 200, 245, 280, 316, 350, 392, 395, 400, 490, 553, 560, 632, 700, 784, 790, 980, 1106, 1225, 1264, 1400, 1580, 1960, 1975, 2212, 2450, 2765, 2800, 3160, 3871, 3920, 3950, 4424, 4900, 5530, 6320, 7742, 7900, 8848, 9800, 11060, 13825, 14149, 15484, 15800, 19355, 19600, 22120, 27650, 28298, 30968, 31600, 38710, 44240, 55300, 56596, 61936, 70745, 77420, 96775, 99043, 110600, 113192, 141490, 154840, 193550, 198086, 221200, 226384, 282980, 309680, 353725, 387100, 396172, 495215, 565960, 693301, 707450, 774200, 792344, 990430, 1117771, 1131920, 1386602, 1414900, 1548400, 1584688, 1980860, 2235542, 2476075, 2773204, 2829800, 3466505, 3961720, 4471084, 4952150, 5546408, 5588855, 5659600, 6933010, 7824397, 7923440, 8942168, 9904300, 11092816, 11177710, 13866020, 15648794, 17332525, 17884336, 19808600, 22355420, 27732040, 27944275, 31297588, 34665050, 39121985, 39617200, 44710840, 54770779, 55464080, 55888550, 62595176, 69330100, 78243970, 89421680, 109541558, 111777100, 125190352, 138660200, 156487940, 195609925, 219083116, 223554200, 273853895, 277320400, 312975880, 391219850, 438166232, 447108400, 547707790, 625951760, 782439700, 876332464, 1095415580, 1369269475, 1564879400, 2190831160, 2738538950, 3129758800, 4381662320, 5477077900, 10954155800, 21908311600]

約数ペア:

[(1, 21908311600), (2, 10954155800), (4, 5477077900), (5, 4381662320), (7, 3129758800), (8, 2738538950), (10, 2190831160), (14, 1564879400), (16, 1369269475), (20, 1095415580), (25, 876332464), (28, 782439700), (35, 625951760), (40, 547707790), (49, 447108400), (50, 438166232), (56, 391219850), (70, 312975880), (79, 277320400), (80, 273853895), (98, 223554200), (100, 219083116), (112, 195609925), (140, 156487940), (158, 138660200), (175, 125190352), (196, 111777100), (200, 109541558), (245, 89421680), (280, 78243970), (316, 69330100), (350, 62595176), (392, 55888550), (395, 55464080), (400, 54770779), (490, 44710840), (553, 39617200), (560, 39121985), (632, 34665050), (700, 31297588), (784, 27944275), (790, 27732040), (980, 22355420), (1106, 19808600), (1225, 17884336), (1264, 17332525), (1400, 15648794), (1580, 13866020), (1960, 11177710), (1975, 11092816), (2212, 9904300), (2450, 8942168), (2765, 7923440), (2800, 7824397), (3160, 6933010), (3871, 5659600), (3920, 5588855), (3950, 5546408), (4424, 4952150), (4900, 4471084), (5530, 3961720), (6320, 3466505), (7742, 2829800), (7900, 2773204), (8848, 2476075), (9800, 2235542), (11060, 1980860), (13825, 1584688), (14149, 1548400), (15484, 1414900), (15800, 1386602), (19355, 1131920), (19600, 1117771), (22120, 990430), (27650, 792344), (28298, 774200), (30968, 707450), (31600, 693301), (38710, 565960), (44240, 495215), (55300, 396172), (56596, 387100), (61936, 353725), (70745, 309680), (77420, 282980), (96775, 226384), (99043, 221200), (110600, 198086), (113192, 193550), (141490, 154840)]