221553780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 744629760

約数和(自身を除く): 523075980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 53, 60, 70, 74, 84, 105, 106, 111, 140, 148, 159, 185, 210, 212, 222, 259, 265, 269, 318, 370, 371, 420, 444, 518, 530, 538, 555, 636, 740, 742, 777, 795, 807, 1036, 1060, 1076, 1110, 1113, 1295, 1345, 1484, 1554, 1590, 1614, 1855, 1883, 1961, 2220, 2226, 2590, 2690, 3108, 3180, 3228, 3710, 3766, 3885, 3922, 4035, 4452, 5180, 5380, 5565, 5649, 5883, 7420, 7532, 7770, 7844, 8070, 9415, 9805, 9953, 11130, 11298, 11766, 13727, 14257, 15540, 16140, 18830, 19610, 19906, 22260, 22596, 23532, 27454, 28245, 28514, 29415, 29859, 37660, 39220, 39812, 41181, 42771, 49765, 54908, 56490, 57028, 58830, 59718, 68635, 69671, 71285, 82362, 85542, 99530, 99799, 112980, 117660, 119436, 137270, 139342, 142570, 149295, 164724, 171084, 199060, 199598, 205905, 209013, 213855, 274540, 278684, 285140, 298590, 299397, 348355, 399196, 411810, 418026, 427710, 498995, 527509, 597180, 598794, 696710, 823620, 836052, 855420, 997990, 1045065, 1055018, 1197588, 1393420, 1496985, 1582527, 1995980, 2090130, 2110036, 2637545, 2993970, 3165054, 3692563, 4180260, 5275090, 5987940, 6330108, 7385126, 7912635, 10550180, 11077689, 14770252, 15825270, 18462815, 22155378, 31650540, 36925630, 44310756, 55388445, 73851260, 110776890, 221553780]

約数ペア:

[(1, 221553780), (2, 110776890), (3, 73851260), (4, 55388445), (5, 44310756), (6, 36925630), (7, 31650540), (10, 22155378), (12, 18462815), (14, 15825270), (15, 14770252), (20, 11077689), (21, 10550180), (28, 7912635), (30, 7385126), (35, 6330108), (37, 5987940), (42, 5275090), (53, 4180260), (60, 3692563), (70, 3165054), (74, 2993970), (84, 2637545), (105, 2110036), (106, 2090130), (111, 1995980), (140, 1582527), (148, 1496985), (159, 1393420), (185, 1197588), (210, 1055018), (212, 1045065), (222, 997990), (259, 855420), (265, 836052), (269, 823620), (318, 696710), (370, 598794), (371, 597180), (420, 527509), (444, 498995), (518, 427710), (530, 418026), (538, 411810), (555, 399196), (636, 348355), (740, 299397), (742, 298590), (777, 285140), (795, 278684), (807, 274540), (1036, 213855), (1060, 209013), (1076, 205905), (1110, 199598), (1113, 199060), (1295, 171084), (1345, 164724), (1484, 149295), (1554, 142570), (1590, 139342), (1614, 137270), (1855, 119436), (1883, 117660), (1961, 112980), (2220, 99799), (2226, 99530), (2590, 85542), (2690, 82362), (3108, 71285), (3180, 69671), (3228, 68635), (3710, 59718), (3766, 58830), (3885, 57028), (3922, 56490), (4035, 54908), (4452, 49765), (5180, 42771), (5380, 41181), (5565, 39812), (5649, 39220), (5883, 37660), (7420, 29859), (7532, 29415), (7770, 28514), (7844, 28245), (8070, 27454), (9415, 23532), (9805, 22596), (9953, 22260), (11130, 19906), (11298, 19610), (11766, 18830), (13727, 16140), (14257, 15540)]