1289450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 2671704

約数和(自身を除く): 1382254

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 41, 50, 74, 82, 85, 170, 185, 205, 370, 410, 425, 629, 697, 850, 925, 1025, 1258, 1394, 1517, 1850, 2050, 3034, 3145, 3485, 6290, 6970, 7585, 15170, 15725, 17425, 25789, 31450, 34850, 37925, 51578, 75850, 128945, 257890, 644725, 1289450]

約数ペア:

[(1, 1289450), (2, 644725), (5, 257890), (10, 128945), (17, 75850), (25, 51578), (34, 37925), (37, 34850), (41, 31450), (50, 25789), (74, 17425), (82, 15725), (85, 15170), (170, 7585), (185, 6970), (205, 6290), (370, 3485), (410, 3145), (425, 3034), (629, 2050), (697, 1850), (850, 1517), (925, 1394), (1025, 1258)]