211348260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2411}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 642672576

約数和(自身を除く): 431324316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2411, 2435, 2922, 4383, 4822, 4870, 5844, 7233, 7305, 8766, 9644, 9740, 12055, 14466, 14610, 17532, 21699, 21915, 24110, 28932, 29220, 36165, 43398, 43830, 48220, 72330, 86796, 87660, 108495, 144660, 216990, 433980, 1174157, 2348314, 3522471, 4696628, 5870785, 7044942, 10567413, 11741570, 14089884, 17612355, 21134826, 23483140, 35224710, 42269652, 52837065, 70449420, 105674130, 211348260]

約数ペア:

[(1, 211348260), (2, 105674130), (3, 70449420), (4, 52837065), (5, 42269652), (6, 35224710), (9, 23483140), (10, 21134826), (12, 17612355), (15, 14089884), (18, 11741570), (20, 10567413), (30, 7044942), (36, 5870785), (45, 4696628), (60, 3522471), (90, 2348314), (180, 1174157), (487, 433980), (974, 216990), (1461, 144660), (1948, 108495), (2411, 87660), (2435, 86796), (2922, 72330), (4383, 48220), (4822, 43830), (4870, 43398), (5844, 36165), (7233, 29220), (7305, 28932), (8766, 24110), (9644, 21915), (9740, 21699), (12055, 17532), (14466, 14610)]