263048140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{853}}^1\times {\mathrm{907}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 586226592

約数和(自身を除く): 323178452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 853, 907, 1706, 1814, 3412, 3628, 4265, 4535, 8530, 9070, 14501, 15419, 17060, 18140, 29002, 30838, 58004, 61676, 72505, 77095, 145010, 154190, 290020, 308380, 773671, 1547342, 3094684, 3868355, 7736710, 13152407, 15473420, 26304814, 52609628, 65762035, 131524070, 263048140]

約数ペア:

[(1, 263048140), (2, 131524070), (4, 65762035), (5, 52609628), (10, 26304814), (17, 15473420), (20, 13152407), (34, 7736710), (68, 3868355), (85, 3094684), (170, 1547342), (340, 773671), (853, 308380), (907, 290020), (1706, 154190), (1814, 145010), (3412, 77095), (3628, 72505), (4265, 61676), (4535, 58004), (8530, 30838), (9070, 29002), (14501, 18140), (15419, 17060)]