211542800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 180

約数和(自身を含む): 607367376

約数和(自身を除く): 395824576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 49, 50, 56, 70, 80, 86, 98, 100, 112, 140, 172, 175, 196, 200, 215, 245, 251, 280, 301, 344, 350, 392, 400, 430, 490, 502, 560, 602, 688, 700, 784, 860, 980, 1004, 1075, 1204, 1225, 1255, 1400, 1505, 1720, 1757, 1960, 2008, 2107, 2150, 2408, 2450, 2510, 2800, 3010, 3440, 3514, 3920, 4016, 4214, 4300, 4816, 4900, 5020, 6020, 6275, 7028, 7525, 8428, 8600, 8785, 9800, 10040, 10535, 10793, 12040, 12299, 12550, 14056, 15050, 16856, 17200, 17570, 19600, 20080, 21070, 21586, 24080, 24598, 25100, 28112, 30100, 33712, 35140, 42140, 43172, 43925, 49196, 50200, 52675, 53965, 60200, 61495, 70280, 75551, 84280, 86344, 87850, 98392, 100400, 105350, 107930, 120400, 122990, 140560, 151102, 168560, 172688, 175700, 196784, 210700, 215860, 245980, 269825, 302204, 307475, 351400, 377755, 421400, 431720, 491960, 528857, 539650, 604408, 614950, 702800, 755510, 842800, 863440, 983920, 1057714, 1079300, 1208816, 1229900, 1511020, 1888775, 2115428, 2158600, 2459800, 2644285, 3022040, 3777550, 4230856, 4317200, 4919600, 5288570, 6044080, 7555100, 8461712, 10577140, 13221425, 15110200, 21154280, 26442850, 30220400, 42308560, 52885700, 105771400, 211542800]

約数ペア:

[(1, 211542800), (2, 105771400), (4, 52885700), (5, 42308560), (7, 30220400), (8, 26442850), (10, 21154280), (14, 15110200), (16, 13221425), (20, 10577140), (25, 8461712), (28, 7555100), (35, 6044080), (40, 5288570), (43, 4919600), (49, 4317200), (50, 4230856), (56, 3777550), (70, 3022040), (80, 2644285), (86, 2459800), (98, 2158600), (100, 2115428), (112, 1888775), (140, 1511020), (172, 1229900), (175, 1208816), (196, 1079300), (200, 1057714), (215, 983920), (245, 863440), (251, 842800), (280, 755510), (301, 702800), (344, 614950), (350, 604408), (392, 539650), (400, 528857), (430, 491960), (490, 431720), (502, 421400), (560, 377755), (602, 351400), (688, 307475), (700, 302204), (784, 269825), (860, 245980), (980, 215860), (1004, 210700), (1075, 196784), (1204, 175700), (1225, 172688), (1255, 168560), (1400, 151102), (1505, 140560), (1720, 122990), (1757, 120400), (1960, 107930), (2008, 105350), (2107, 100400), (2150, 98392), (2408, 87850), (2450, 86344), (2510, 84280), (2800, 75551), (3010, 70280), (3440, 61495), (3514, 60200), (3920, 53965), (4016, 52675), (4214, 50200), (4300, 49196), (4816, 43925), (4900, 43172), (5020, 42140), (6020, 35140), (6275, 33712), (7028, 30100), (7525, 28112), (8428, 25100), (8600, 24598), (8785, 24080), (9800, 21586), (10040, 21070), (10535, 20080), (10793, 19600), (12040, 17570), (12299, 17200), (12550, 16856), (14056, 15050)]