53991140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1549

約数の個数: 72

約数和(自身を含む): 135548280

約数和(自身を除く): 81557140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1489, 1813, 2590, 2978, 3626, 5180, 5956, 7252, 7445, 9065, 10423, 14890, 18130, 20846, 29780, 36260, 41692, 52115, 55093, 72961, 104230, 110186, 145922, 208460, 220372, 275465, 291844, 364805, 385651, 550930, 729610, 771302, 1101860, 1459220, 1542604, 1928255, 2699557, 3856510, 5399114, 7713020, 10798228, 13497785, 26995570, 53991140]

約数ペア:

[(1, 53991140), (2, 26995570), (4, 13497785), (5, 10798228), (7, 7713020), (10, 5399114), (14, 3856510), (20, 2699557), (28, 1928255), (35, 1542604), (37, 1459220), (49, 1101860), (70, 771302), (74, 729610), (98, 550930), (140, 385651), (148, 364805), (185, 291844), (196, 275465), (245, 220372), (259, 208460), (370, 145922), (490, 110186), (518, 104230), (740, 72961), (980, 55093), (1036, 52115), (1295, 41692), (1489, 36260), (1813, 29780), (2590, 20846), (2978, 18130), (3626, 14890), (5180, 10423), (5956, 9065), (7252, 7445)]