221650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 499968

約数和(自身を除く): 278318

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 31, 50, 55, 62, 65, 110, 130, 143, 155, 275, 286, 310, 325, 341, 403, 550, 650, 682, 715, 775, 806, 1430, 1550, 1705, 2015, 3410, 3575, 4030, 4433, 7150, 8525, 8866, 10075, 17050, 20150, 22165, 44330, 110825, 221650]

約数ペア:

[(1, 221650), (2, 110825), (5, 44330), (10, 22165), (11, 20150), (13, 17050), (22, 10075), (25, 8866), (26, 8525), (31, 7150), (50, 4433), (55, 4030), (62, 3575), (65, 3410), (110, 2015), (130, 1705), (143, 1550), (155, 1430), (275, 806), (286, 775), (310, 715), (325, 682), (341, 650), (403, 550)]