142755220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 306633600

約数和(自身を除く): 163878380

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 311, 389, 590, 622, 778, 1180, 1244, 1555, 1556, 1945, 3110, 3890, 6220, 7780, 18349, 22951, 36698, 45902, 73396, 91745, 91804, 114755, 120979, 183490, 229510, 241958, 366980, 459020, 483916, 604895, 1209790, 2419580, 7137761, 14275522, 28551044, 35688805, 71377610, 142755220]

約数ペア:

[(1, 142755220), (2, 71377610), (4, 35688805), (5, 28551044), (10, 14275522), (20, 7137761), (59, 2419580), (118, 1209790), (236, 604895), (295, 483916), (311, 459020), (389, 366980), (590, 241958), (622, 229510), (778, 183490), (1180, 120979), (1244, 114755), (1555, 91804), (1556, 91745), (1945, 73396), (3110, 45902), (3890, 36698), (6220, 22951), (7780, 18349)]