51109240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 149184000

約数和(自身を除く): 98074760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 739, 760, 910, 988, 1064, 1235, 1330, 1478, 1729, 1820, 1976, 2470, 2660, 2956, 3458, 3640, 3695, 4940, 5173, 5320, 5912, 6916, 7390, 8645, 9607, 9880, 10346, 13832, 14041, 14780, 17290, 19214, 20692, 25865, 28082, 29560, 34580, 38428, 41384, 48035, 51730, 56164, 67249, 69160, 70205, 76856, 96070, 98287, 103460, 112328, 134498, 140410, 182533, 192140, 196574, 206920, 268996, 280820, 336245, 365066, 384280, 393148, 491435, 537992, 561640, 672490, 730132, 786296, 912665, 982870, 1277731, 1344980, 1460264, 1825330, 1965740, 2555462, 2689960, 3650660, 3931480, 5110924, 6388655, 7301320, 10221848, 12777310, 25554620, 51109240]

約数ペア:

[(1, 51109240), (2, 25554620), (4, 12777310), (5, 10221848), (7, 7301320), (8, 6388655), (10, 5110924), (13, 3931480), (14, 3650660), (19, 2689960), (20, 2555462), (26, 1965740), (28, 1825330), (35, 1460264), (38, 1344980), (40, 1277731), (52, 982870), (56, 912665), (65, 786296), (70, 730132), (76, 672490), (91, 561640), (95, 537992), (104, 491435), (130, 393148), (133, 384280), (140, 365066), (152, 336245), (182, 280820), (190, 268996), (247, 206920), (260, 196574), (266, 192140), (280, 182533), (364, 140410), (380, 134498), (455, 112328), (494, 103460), (520, 98287), (532, 96070), (665, 76856), (728, 70205), (739, 69160), (760, 67249), (910, 56164), (988, 51730), (1064, 48035), (1235, 41384), (1330, 38428), (1478, 34580), (1729, 29560), (1820, 28082), (1976, 25865), (2470, 20692), (2660, 19214), (2956, 17290), (3458, 14780), (3640, 14041), (3695, 13832), (4940, 10346), (5173, 9880), (5320, 9607), (5912, 8645), (6916, 7390)]