305659760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7477}}^1$

素因数の和:7570

約数の個数: 80

約数和(自身を含む): 823417536

約数和(自身を除く): 517757776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 7477, 8176, 10220, 14954, 20440, 29908, 37385, 40880, 52339, 59816, 74770, 104678, 119632, 149540, 209356, 261695, 299080, 418712, 523390, 545821, 598160, 837424, 1046780, 1091642, 2093560, 2183284, 2729105, 3820747, 4187120, 4366568, 5458210, 7641494, 8733136, 10916420, 15282988, 19103735, 21832840, 30565976, 38207470, 43665680, 61131952, 76414940, 152829880, 305659760]

約数ペア:

[(1, 305659760), (2, 152829880), (4, 76414940), (5, 61131952), (7, 43665680), (8, 38207470), (10, 30565976), (14, 21832840), (16, 19103735), (20, 15282988), (28, 10916420), (35, 8733136), (40, 7641494), (56, 5458210), (70, 4366568), (73, 4187120), (80, 3820747), (112, 2729105), (140, 2183284), (146, 2093560), (280, 1091642), (292, 1046780), (365, 837424), (511, 598160), (560, 545821), (584, 523390), (730, 418712), (1022, 299080), (1168, 261695), (1460, 209356), (2044, 149540), (2555, 119632), (2920, 104678), (4088, 74770), (5110, 59816), (5840, 52339), (7477, 40880), (8176, 37385), (10220, 29908), (14954, 20440)]