221401020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{78511}}^1$

素因数の和:78570

約数の個数: 48

約数和(自身を含む): 633120768

約数和(自身を除く): 411719748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 78511, 157022, 235533, 314044, 392555, 471066, 785110, 942132, 1177665, 1570220, 2355330, 3690017, 4710660, 7380034, 11070051, 14760068, 18450085, 22140102, 36900170, 44280204, 55350255, 73800340, 110700510, 221401020]

約数ペア:

[(1, 221401020), (2, 110700510), (3, 73800340), (4, 55350255), (5, 44280204), (6, 36900170), (10, 22140102), (12, 18450085), (15, 14760068), (20, 11070051), (30, 7380034), (47, 4710660), (60, 3690017), (94, 2355330), (141, 1570220), (188, 1177665), (235, 942132), (282, 785110), (470, 471066), (564, 392555), (705, 314044), (940, 235533), (1410, 157022), (2820, 78511)]