82478620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 211115520

約数和(自身を除く): 128636900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 101, 133, 140, 190, 202, 266, 307, 380, 404, 505, 532, 614, 665, 707, 1010, 1228, 1330, 1414, 1535, 1919, 2020, 2149, 2660, 2828, 3070, 3535, 3838, 4298, 5833, 6140, 7070, 7676, 8596, 9595, 10745, 11666, 13433, 14140, 19190, 21490, 23332, 26866, 29165, 31007, 38380, 40831, 42980, 53732, 58330, 62014, 67165, 81662, 116660, 124028, 134330, 155035, 163324, 204155, 217049, 268660, 310070, 408310, 434098, 589133, 620140, 816620, 868196, 1085245, 1178266, 2170490, 2356532, 2945665, 4123931, 4340980, 5891330, 8247862, 11782660, 16495724, 20619655, 41239310, 82478620]

約数ペア:

[(1, 82478620), (2, 41239310), (4, 20619655), (5, 16495724), (7, 11782660), (10, 8247862), (14, 5891330), (19, 4340980), (20, 4123931), (28, 2945665), (35, 2356532), (38, 2170490), (70, 1178266), (76, 1085245), (95, 868196), (101, 816620), (133, 620140), (140, 589133), (190, 434098), (202, 408310), (266, 310070), (307, 268660), (380, 217049), (404, 204155), (505, 163324), (532, 155035), (614, 134330), (665, 124028), (707, 116660), (1010, 81662), (1228, 67165), (1330, 62014), (1414, 58330), (1535, 53732), (1919, 42980), (2020, 40831), (2149, 38380), (2660, 31007), (2828, 29165), (3070, 26866), (3535, 23332), (3838, 21490), (4298, 19190), (5833, 14140), (6140, 13433), (7070, 11666), (7676, 10745), (8596, 9595)]