205917810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 596312064

約数和(自身を除く): 390394254

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 47, 62, 70, 93, 94, 105, 141, 155, 186, 210, 217, 235, 282, 310, 329, 434, 465, 470, 651, 658, 673, 705, 930, 987, 1085, 1302, 1346, 1410, 1457, 1645, 1974, 2019, 2170, 2914, 3255, 3290, 3365, 4038, 4371, 4711, 4935, 6510, 6730, 7285, 8742, 9422, 9870, 10095, 10199, 14133, 14570, 20190, 20398, 20863, 21855, 23555, 28266, 30597, 31631, 41726, 43710, 47110, 50995, 61194, 62589, 63262, 70665, 94893, 101990, 104315, 125178, 141330, 146041, 152985, 158155, 189786, 208630, 221417, 292082, 305970, 312945, 316310, 438123, 442834, 474465, 625890, 664251, 730205, 876246, 948930, 980561, 1107085, 1328502, 1460410, 1961122, 2190615, 2214170, 2941683, 3321255, 4381230, 4902805, 5883366, 6642510, 6863927, 9805610, 13727854, 14708415, 20591781, 29416830, 34319635, 41183562, 68639270, 102958905, 205917810]

約数ペア:

[(1, 205917810), (2, 102958905), (3, 68639270), (5, 41183562), (6, 34319635), (7, 29416830), (10, 20591781), (14, 14708415), (15, 13727854), (21, 9805610), (30, 6863927), (31, 6642510), (35, 5883366), (42, 4902805), (47, 4381230), (62, 3321255), (70, 2941683), (93, 2214170), (94, 2190615), (105, 1961122), (141, 1460410), (155, 1328502), (186, 1107085), (210, 980561), (217, 948930), (235, 876246), (282, 730205), (310, 664251), (329, 625890), (434, 474465), (465, 442834), (470, 438123), (651, 316310), (658, 312945), (673, 305970), (705, 292082), (930, 221417), (987, 208630), (1085, 189786), (1302, 158155), (1346, 152985), (1410, 146041), (1457, 141330), (1645, 125178), (1974, 104315), (2019, 101990), (2170, 94893), (2914, 70665), (3255, 63262), (3290, 62589), (3365, 61194), (4038, 50995), (4371, 47110), (4711, 43710), (4935, 41726), (6510, 31631), (6730, 30597), (7285, 28266), (8742, 23555), (9422, 21855), (9870, 20863), (10095, 20398), (10199, 20190), (14133, 14570)]