221639370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 601862400

約数和(自身を除く): 380223030

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 89, 95, 102, 114, 170, 178, 190, 255, 257, 267, 285, 323, 445, 510, 514, 534, 570, 646, 771, 890, 969, 1285, 1335, 1513, 1542, 1615, 1691, 1938, 2570, 2670, 3026, 3230, 3382, 3855, 4369, 4539, 4845, 4883, 5073, 7565, 7710, 8455, 8738, 9078, 9690, 9766, 10146, 13107, 14649, 15130, 16910, 21845, 22695, 22873, 24415, 25365, 26214, 28747, 29298, 43690, 45390, 45746, 48830, 50730, 57494, 65535, 68619, 73245, 83011, 86241, 114365, 131070, 137238, 143735, 146490, 166022, 172482, 228730, 249033, 287470, 343095, 388841, 415055, 431205, 434587, 498066, 686190, 777682, 830110, 862410, 869174, 1166523, 1245165, 1303761, 1944205, 2172935, 2333046, 2490330, 2607522, 3888410, 4345870, 5832615, 6518805, 7387979, 11665230, 13037610, 14775958, 22163937, 36939895, 44327874, 73879790, 110819685, 221639370]

約数ペア:

[(1, 221639370), (2, 110819685), (3, 73879790), (5, 44327874), (6, 36939895), (10, 22163937), (15, 14775958), (17, 13037610), (19, 11665230), (30, 7387979), (34, 6518805), (38, 5832615), (51, 4345870), (57, 3888410), (85, 2607522), (89, 2490330), (95, 2333046), (102, 2172935), (114, 1944205), (170, 1303761), (178, 1245165), (190, 1166523), (255, 869174), (257, 862410), (267, 830110), (285, 777682), (323, 686190), (445, 498066), (510, 434587), (514, 431205), (534, 415055), (570, 388841), (646, 343095), (771, 287470), (890, 249033), (969, 228730), (1285, 172482), (1335, 166022), (1513, 146490), (1542, 143735), (1615, 137238), (1691, 131070), (1938, 114365), (2570, 86241), (2670, 83011), (3026, 73245), (3230, 68619), (3382, 65535), (3855, 57494), (4369, 50730), (4539, 48830), (4845, 45746), (4883, 45390), (5073, 43690), (7565, 29298), (7710, 28747), (8455, 26214), (8738, 25365), (9078, 24415), (9690, 22873), (9766, 22695), (10146, 21845), (13107, 16910), (14649, 15130)]