256044152

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 631411200

約数和(自身を除く): 375367048

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 107, 133, 152, 173, 182, 214, 247, 266, 346, 364, 428, 494, 532, 692, 728, 749, 856, 988, 1064, 1211, 1384, 1391, 1498, 1729, 1976, 2033, 2249, 2422, 2782, 2996, 3287, 3458, 4066, 4498, 4844, 5564, 5992, 6574, 6916, 8132, 8996, 9688, 9737, 11128, 13148, 13832, 14231, 15743, 16264, 17992, 18511, 19474, 23009, 26296, 26429, 28462, 31486, 37022, 38948, 42731, 46018, 52858, 56924, 62972, 74044, 77896, 85462, 92036, 105716, 113848, 125944, 129577, 148088, 170924, 184072, 185003, 211432, 240643, 259154, 299117, 341848, 351709, 370006, 481286, 518308, 598234, 703418, 740012, 962572, 1036616, 1196468, 1406836, 1480024, 1684501, 1925144, 2392936, 2461963, 2813672, 3369002, 4572217, 4923926, 6738004, 9144434, 9847852, 13476008, 18288868, 19695704, 32005519, 36577736, 64011038, 128022076, 256044152]

約数ペア:

[(1, 256044152), (2, 128022076), (4, 64011038), (7, 36577736), (8, 32005519), (13, 19695704), (14, 18288868), (19, 13476008), (26, 9847852), (28, 9144434), (38, 6738004), (52, 4923926), (56, 4572217), (76, 3369002), (91, 2813672), (104, 2461963), (107, 2392936), (133, 1925144), (152, 1684501), (173, 1480024), (182, 1406836), (214, 1196468), (247, 1036616), (266, 962572), (346, 740012), (364, 703418), (428, 598234), (494, 518308), (532, 481286), (692, 370006), (728, 351709), (749, 341848), (856, 299117), (988, 259154), (1064, 240643), (1211, 211432), (1384, 185003), (1391, 184072), (1498, 170924), (1729, 148088), (1976, 129577), (2033, 125944), (2249, 113848), (2422, 105716), (2782, 92036), (2996, 85462), (3287, 77896), (3458, 74044), (4066, 62972), (4498, 56924), (4844, 52858), (5564, 46018), (5992, 42731), (6574, 38948), (6916, 37022), (8132, 31486), (8996, 28462), (9688, 26429), (9737, 26296), (11128, 23009), (13148, 19474), (13832, 18511), (14231, 17992), (15743, 16264)]