419664590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 818380800

約数和(自身を除く): 398716210

約数列:

[1, 2, 5, 10, 19, 38, 73, 79, 95, 146, 158, 190, 365, 383, 395, 730, 766, 790, 1387, 1501, 1915, 2774, 3002, 3830, 5767, 6935, 7277, 7505, 11534, 13870, 14554, 15010, 27959, 28835, 30257, 36385, 55918, 57670, 60514, 72770, 109573, 139795, 151285, 219146, 279590, 302570, 531221, 547865, 574883, 1062442, 1095730, 1149766, 2208761, 2656105, 2874415, 4417522, 5312210, 5748830, 11043805, 22087610, 41966459, 83932918, 209832295, 419664590]

約数ペア:

[(1, 419664590), (2, 209832295), (5, 83932918), (10, 41966459), (19, 22087610), (38, 11043805), (73, 5748830), (79, 5312210), (95, 4417522), (146, 2874415), (158, 2656105), (190, 2208761), (365, 1149766), (383, 1095730), (395, 1062442), (730, 574883), (766, 547865), (790, 531221), (1387, 302570), (1501, 279590), (1915, 219146), (2774, 151285), (3002, 139795), (3830, 109573), (5767, 72770), (6935, 60514), (7277, 57670), (7505, 55918), (11534, 36385), (13870, 30257), (14554, 28835), (15010, 27959)]