158191700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 362060160

約数和(自身を除く): 203868460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 109, 115, 218, 230, 436, 460, 545, 575, 631, 1090, 1150, 1262, 2180, 2300, 2507, 2524, 2725, 3155, 5014, 5450, 6310, 10028, 10900, 12535, 12620, 14513, 15775, 25070, 29026, 31550, 50140, 58052, 62675, 63100, 68779, 72565, 125350, 137558, 145130, 250700, 275116, 290260, 343895, 362825, 687790, 725650, 1375580, 1451300, 1581917, 1719475, 3163834, 3438950, 6327668, 6877900, 7909585, 15819170, 31638340, 39547925, 79095850, 158191700]

約数ペア:

[(1, 158191700), (2, 79095850), (4, 39547925), (5, 31638340), (10, 15819170), (20, 7909585), (23, 6877900), (25, 6327668), (46, 3438950), (50, 3163834), (92, 1719475), (100, 1581917), (109, 1451300), (115, 1375580), (218, 725650), (230, 687790), (436, 362825), (460, 343895), (545, 290260), (575, 275116), (631, 250700), (1090, 145130), (1150, 137558), (1262, 125350), (2180, 72565), (2300, 68779), (2507, 63100), (2524, 62675), (2725, 58052), (3155, 50140), (5014, 31550), (5450, 29026), (6310, 25070), (10028, 15775), (10900, 14513), (12535, 12620)]