457789090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 1007769600

約数和(自身を除く): 549980510

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 53, 55, 62, 85, 106, 110, 149, 155, 170, 187, 265, 298, 310, 341, 374, 527, 530, 583, 682, 745, 901, 935, 1054, 1166, 1490, 1639, 1643, 1705, 1802, 1870, 2533, 2635, 2915, 3278, 3286, 3410, 4505, 4619, 5066, 5270, 5797, 5830, 7897, 8195, 8215, 9010, 9238, 9911, 11594, 12665, 15794, 16390, 16430, 18073, 19822, 23095, 25330, 27863, 27931, 28985, 36146, 39485, 46190, 49555, 50809, 55726, 55862, 57970, 78523, 78970, 86867, 90365, 99110, 101618, 134249, 139315, 139655, 157046, 173734, 180730, 244807, 254045, 268498, 278630, 279310, 307241, 392615, 434335, 489614, 508090, 614482, 671245, 785230, 863753, 868670, 1224035, 1342490, 1476739, 1536205, 1727506, 2448070, 2692877, 2953478, 3072410, 4161719, 4318765, 5385754, 7383695, 8323438, 8637530, 13464385, 14767390, 20808595, 26928770, 41617190, 45778909, 91557818, 228894545, 457789090]

約数ペア:

[(1, 457789090), (2, 228894545), (5, 91557818), (10, 45778909), (11, 41617190), (17, 26928770), (22, 20808595), (31, 14767390), (34, 13464385), (53, 8637530), (55, 8323438), (62, 7383695), (85, 5385754), (106, 4318765), (110, 4161719), (149, 3072410), (155, 2953478), (170, 2692877), (187, 2448070), (265, 1727506), (298, 1536205), (310, 1476739), (341, 1342490), (374, 1224035), (527, 868670), (530, 863753), (583, 785230), (682, 671245), (745, 614482), (901, 508090), (935, 489614), (1054, 434335), (1166, 392615), (1490, 307241), (1639, 279310), (1643, 278630), (1705, 268498), (1802, 254045), (1870, 244807), (2533, 180730), (2635, 173734), (2915, 157046), (3278, 139655), (3286, 139315), (3410, 134249), (4505, 101618), (4619, 99110), (5066, 90365), (5270, 86867), (5797, 78970), (5830, 78523), (7897, 57970), (8195, 55862), (8215, 55726), (9010, 50809), (9238, 49555), (9911, 46190), (11594, 39485), (12665, 36146), (15794, 28985), (16390, 27931), (16430, 27863), (18073, 25330), (19822, 23095)]