211609980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{25013}}^1$

素因数の和:25075

約数の個数: 72

約数和(自身を含む): 655566912

約数和(自身を除く): 443956932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 25013, 50026, 75039, 100052, 125065, 150078, 225117, 250130, 300156, 375195, 450234, 500260, 750390, 900468, 1125585, 1175611, 1500780, 2251170, 2351222, 3526833, 4502340, 4702444, 5878055, 7053666, 10580499, 11756110, 14107332, 17634165, 21160998, 23512220, 35268330, 42321996, 52902495, 70536660, 105804990, 211609980]

約数ペア:

[(1, 211609980), (2, 105804990), (3, 70536660), (4, 52902495), (5, 42321996), (6, 35268330), (9, 23512220), (10, 21160998), (12, 17634165), (15, 14107332), (18, 11756110), (20, 10580499), (30, 7053666), (36, 5878055), (45, 4702444), (47, 4502340), (60, 3526833), (90, 2351222), (94, 2251170), (141, 1500780), (180, 1175611), (188, 1125585), (235, 900468), (282, 750390), (423, 500260), (470, 450234), (564, 375195), (705, 300156), (846, 250130), (940, 225117), (1410, 150078), (1692, 125065), (2115, 100052), (2820, 75039), (4230, 50026), (8460, 25013)]