538521760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:639

約数の個数: 144

約数和(自身を含む): 1493137800

約数和(自身を除く): 954616040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 149, 160, 196, 224, 245, 280, 298, 392, 461, 490, 560, 596, 745, 784, 922, 980, 1043, 1120, 1192, 1490, 1568, 1844, 1960, 2086, 2305, 2384, 2980, 3227, 3688, 3920, 4172, 4610, 4768, 5215, 5960, 6454, 7301, 7376, 7840, 8344, 9220, 10430, 11920, 12908, 14602, 14752, 16135, 16688, 18440, 20860, 22589, 23840, 25816, 29204, 32270, 33376, 36505, 36880, 41720, 45178, 51632, 58408, 64540, 68689, 73010, 73760, 83440, 90356, 103264, 112945, 116816, 129080, 137378, 146020, 166880, 180712, 225890, 233632, 258160, 274756, 292040, 343445, 361424, 451780, 480823, 516320, 549512, 584080, 686890, 722848, 903560, 961646, 1099024, 1168160, 1373780, 1807120, 1923292, 2198048, 2404115, 2747560, 3365761, 3614240, 3846584, 4808230, 5495120, 6731522, 7693168, 9616460, 10990240, 13463044, 15386336, 16828805, 19232920, 26926088, 33657610, 38465840, 53852176, 67315220, 76931680, 107704352, 134630440, 269260880, 538521760]

約数ペア:

[(1, 538521760), (2, 269260880), (4, 134630440), (5, 107704352), (7, 76931680), (8, 67315220), (10, 53852176), (14, 38465840), (16, 33657610), (20, 26926088), (28, 19232920), (32, 16828805), (35, 15386336), (40, 13463044), (49, 10990240), (56, 9616460), (70, 7693168), (80, 6731522), (98, 5495120), (112, 4808230), (140, 3846584), (149, 3614240), (160, 3365761), (196, 2747560), (224, 2404115), (245, 2198048), (280, 1923292), (298, 1807120), (392, 1373780), (461, 1168160), (490, 1099024), (560, 961646), (596, 903560), (745, 722848), (784, 686890), (922, 584080), (980, 549512), (1043, 516320), (1120, 480823), (1192, 451780), (1490, 361424), (1568, 343445), (1844, 292040), (1960, 274756), (2086, 258160), (2305, 233632), (2384, 225890), (2980, 180712), (3227, 166880), (3688, 146020), (3920, 137378), (4172, 129080), (4610, 116816), (4768, 112945), (5215, 103264), (5960, 90356), (6454, 83440), (7301, 73760), (7376, 73010), (7840, 68689), (8344, 64540), (9220, 58408), (10430, 51632), (11920, 45178), (12908, 41720), (14602, 36880), (14752, 36505), (16135, 33376), (16688, 32270), (18440, 29204), (20860, 25816), (22589, 23840)]