91815220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4931}}^1$

素因数の和:4973

約数の個数: 72

約数和(自身を含む): 236144160

約数和(自身を除く): 144328940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 4931, 9310, 9862, 18620, 19724, 24655, 34517, 49310, 69034, 93689, 98620, 138068, 172585, 187378, 241619, 345170, 374756, 468445, 483238, 655823, 690340, 936890, 966476, 1208095, 1311646, 1873780, 2416190, 2623292, 3279115, 4590761, 4832380, 6558230, 9181522, 13116460, 18363044, 22953805, 45907610, 91815220]

約数ペア:

[(1, 91815220), (2, 45907610), (4, 22953805), (5, 18363044), (7, 13116460), (10, 9181522), (14, 6558230), (19, 4832380), (20, 4590761), (28, 3279115), (35, 2623292), (38, 2416190), (49, 1873780), (70, 1311646), (76, 1208095), (95, 966476), (98, 936890), (133, 690340), (140, 655823), (190, 483238), (196, 468445), (245, 374756), (266, 345170), (380, 241619), (490, 187378), (532, 172585), (665, 138068), (931, 98620), (980, 93689), (1330, 69034), (1862, 49310), (2660, 34517), (3724, 24655), (4655, 19724), (4931, 18620), (9310, 9862)]