278681676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 819512064

約数和(自身を除く): 540830388

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 67, 78, 84, 91, 134, 156, 169, 182, 201, 268, 273, 293, 338, 364, 402, 469, 507, 546, 586, 676, 804, 871, 879, 938, 1014, 1092, 1172, 1183, 1407, 1742, 1758, 1876, 2028, 2051, 2366, 2613, 2814, 3484, 3516, 3549, 3809, 4102, 4732, 5226, 5628, 6097, 6153, 7098, 7618, 8204, 10452, 11323, 11427, 12194, 12306, 14196, 15236, 18291, 19631, 22646, 22854, 24388, 24612, 26663, 33969, 36582, 39262, 45292, 45708, 49517, 53326, 58893, 67938, 73164, 78524, 79261, 79989, 99034, 106652, 117786, 135876, 137417, 148551, 158522, 159978, 198068, 235572, 237783, 255203, 274834, 297102, 317044, 319956, 346619, 412251, 475566, 510406, 549668, 594204, 693238, 765609, 824502, 951132, 1020812, 1039857, 1386476, 1531218, 1649004, 1786421, 2079714, 3062436, 3317639, 3572842, 4159428, 5359263, 6635278, 7145684, 9952917, 10718526, 13270556, 19905834, 21437052, 23223473, 39811668, 46446946, 69670419, 92893892, 139340838, 278681676]

約数ペア:

[(1, 278681676), (2, 139340838), (3, 92893892), (4, 69670419), (6, 46446946), (7, 39811668), (12, 23223473), (13, 21437052), (14, 19905834), (21, 13270556), (26, 10718526), (28, 9952917), (39, 7145684), (42, 6635278), (52, 5359263), (67, 4159428), (78, 3572842), (84, 3317639), (91, 3062436), (134, 2079714), (156, 1786421), (169, 1649004), (182, 1531218), (201, 1386476), (268, 1039857), (273, 1020812), (293, 951132), (338, 824502), (364, 765609), (402, 693238), (469, 594204), (507, 549668), (546, 510406), (586, 475566), (676, 412251), (804, 346619), (871, 319956), (879, 317044), (938, 297102), (1014, 274834), (1092, 255203), (1172, 237783), (1183, 235572), (1407, 198068), (1742, 159978), (1758, 158522), (1876, 148551), (2028, 137417), (2051, 135876), (2366, 117786), (2613, 106652), (2814, 99034), (3484, 79989), (3516, 79261), (3549, 78524), (3809, 73164), (4102, 67938), (4732, 58893), (5226, 53326), (5628, 49517), (6097, 45708), (6153, 45292), (7098, 39262), (7618, 36582), (8204, 33969), (10452, 26663), (11323, 24612), (11427, 24388), (12194, 22854), (12306, 22646), (14196, 19631), (15236, 18291)]