996985651220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{599}}^1\times {\mathrm{492431}}^1$

素因数の和:493065

約数の個数: 72

約数和(自身を含む): 2270899411200

約数和(自身を除く): 1273913759980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 599, 676, 845, 1198, 1690, 2396, 2995, 3380, 5990, 7787, 11980, 15574, 31148, 38935, 77870, 101231, 155740, 202462, 404924, 492431, 506155, 984862, 1012310, 1969724, 2024620, 2462155, 4924310, 6401603, 9848620, 12803206, 25606412, 32008015, 64016030, 83220839, 128032060, 166441678, 294966169, 332883356, 416104195, 589932338, 832208390, 1179864676, 1474830845, 1664416780, 2949661690, 3834560197, 5899323380, 7669120394, 15338240788, 19172800985, 38345601970, 49849282561, 76691203940, 99698565122, 199397130244, 249246412805, 498492825610, 996985651220]

約数ペア:

[(1, 996985651220), (2, 498492825610), (4, 249246412805), (5, 199397130244), (10, 99698565122), (13, 76691203940), (20, 49849282561), (26, 38345601970), (52, 19172800985), (65, 15338240788), (130, 7669120394), (169, 5899323380), (260, 3834560197), (338, 2949661690), (599, 1664416780), (676, 1474830845), (845, 1179864676), (1198, 832208390), (1690, 589932338), (2396, 416104195), (2995, 332883356), (3380, 294966169), (5990, 166441678), (7787, 128032060), (11980, 83220839), (15574, 64016030), (31148, 32008015), (38935, 25606412), (77870, 12803206), (101231, 9848620), (155740, 6401603), (202462, 4924310), (404924, 2462155), (492431, 2024620), (506155, 1969724), (984862, 1012310)]