2008997243080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{121789}}^1$

素因数の和:122135

約数の個数: 128

約数和(自身を含む): 4773076761600

約数和(自身を除く): 2764079518520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 251, 265, 310, 424, 502, 530, 620, 1004, 1060, 1240, 1255, 1643, 2008, 2120, 2510, 3286, 5020, 6572, 7781, 8215, 10040, 13144, 13303, 15562, 16430, 26606, 31124, 32860, 38905, 53212, 62248, 65720, 66515, 77810, 106424, 121789, 133030, 155620, 243578, 266060, 311240, 412393, 487156, 532120, 608945, 824786, 974312, 1217890, 1649572, 2061965, 2435780, 3299144, 3775459, 4123930, 4871560, 6454817, 7550918, 8247860, 12909634, 15101836, 16495720, 18877295, 25819268, 30203672, 30569039, 32274085, 37754590, 51638536, 61138078, 64548170, 75509180, 122276156, 129096340, 151018360, 152845195, 200099327, 244552312, 258192680, 305690390, 400198654, 611380780, 800397308, 947640209, 1000496635, 1222761560, 1600794616, 1620159067, 1895280418, 2000993270, 3240318134, 3790560836, 4001986540, 4738201045, 6480636268, 7581121672, 8003973080, 8100795335, 9476402090, 12961272536, 16201590670, 18952804180, 32403181340, 37905608360, 50224931077, 64806362680, 100449862154, 200899724308, 251124655385, 401799448616, 502249310770, 1004498621540, 2008997243080]

約数ペア:

[(1, 2008997243080), (2, 1004498621540), (4, 502249310770), (5, 401799448616), (8, 251124655385), (10, 200899724308), (20, 100449862154), (31, 64806362680), (40, 50224931077), (53, 37905608360), (62, 32403181340), (106, 18952804180), (124, 16201590670), (155, 12961272536), (212, 9476402090), (248, 8100795335), (251, 8003973080), (265, 7581121672), (310, 6480636268), (424, 4738201045), (502, 4001986540), (530, 3790560836), (620, 3240318134), (1004, 2000993270), (1060, 1895280418), (1240, 1620159067), (1255, 1600794616), (1643, 1222761560), (2008, 1000496635), (2120, 947640209), (2510, 800397308), (3286, 611380780), (5020, 400198654), (6572, 305690390), (7781, 258192680), (8215, 244552312), (10040, 200099327), (13144, 152845195), (13303, 151018360), (15562, 129096340), (16430, 122276156), (26606, 75509180), (31124, 64548170), (32860, 61138078), (38905, 51638536), (53212, 37754590), (62248, 32274085), (65720, 30569039), (66515, 30203672), (77810, 25819268), (106424, 18877295), (121789, 16495720), (133030, 15101836), (155620, 12909634), (243578, 8247860), (266060, 7550918), (311240, 6454817), (412393, 4871560), (487156, 4123930), (532120, 3775459), (608945, 3299144), (824786, 2435780), (974312, 2061965), (1217890, 1649572)]