470252020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 144

約数和(自身を含む): 1239211008

約数和(自身を除く): 768958988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 92, 98, 115, 124, 140, 155, 161, 196, 217, 230, 245, 310, 322, 434, 460, 490, 620, 644, 673, 713, 805, 868, 980, 1085, 1127, 1346, 1426, 1519, 1610, 2170, 2254, 2692, 2852, 3038, 3220, 3365, 3565, 4340, 4508, 4711, 4991, 5635, 6076, 6730, 7130, 7595, 9422, 9982, 11270, 13460, 14260, 15190, 15479, 18844, 19964, 20863, 22540, 23555, 24955, 30380, 30958, 32977, 34937, 41726, 47110, 49910, 61916, 65954, 69874, 77395, 83452, 94220, 99820, 104315, 108353, 131908, 139748, 146041, 154790, 164885, 174685, 208630, 216706, 292082, 309580, 329770, 349370, 417260, 433412, 479849, 541765, 584164, 659540, 698740, 730205, 758471, 959698, 1022287, 1083530, 1460410, 1516942, 1919396, 2044574, 2167060, 2399245, 2920820, 3033884, 3358943, 3792355, 4089148, 4798490, 5111435, 6717886, 7584710, 9596980, 10222870, 13435772, 15169420, 16794715, 20445740, 23512601, 33589430, 47025202, 67178860, 94050404, 117563005, 235126010, 470252020]

約数ペア:

[(1, 470252020), (2, 235126010), (4, 117563005), (5, 94050404), (7, 67178860), (10, 47025202), (14, 33589430), (20, 23512601), (23, 20445740), (28, 16794715), (31, 15169420), (35, 13435772), (46, 10222870), (49, 9596980), (62, 7584710), (70, 6717886), (92, 5111435), (98, 4798490), (115, 4089148), (124, 3792355), (140, 3358943), (155, 3033884), (161, 2920820), (196, 2399245), (217, 2167060), (230, 2044574), (245, 1919396), (310, 1516942), (322, 1460410), (434, 1083530), (460, 1022287), (490, 959698), (620, 758471), (644, 730205), (673, 698740), (713, 659540), (805, 584164), (868, 541765), (980, 479849), (1085, 433412), (1127, 417260), (1346, 349370), (1426, 329770), (1519, 309580), (1610, 292082), (2170, 216706), (2254, 208630), (2692, 174685), (2852, 164885), (3038, 154790), (3220, 146041), (3365, 139748), (3565, 131908), (4340, 108353), (4508, 104315), (4711, 99820), (4991, 94220), (5635, 83452), (6076, 77395), (6730, 69874), (7130, 65954), (7595, 61916), (9422, 49910), (9982, 47110), (11270, 41726), (13460, 34937), (14260, 32977), (15190, 30958), (15479, 30380), (18844, 24955), (19964, 23555), (20863, 22540)]