254906820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{28901}}^1$

素因数の和:28930

約数の個数: 108

約数和(自身を含む): 899488044

約数和(自身を除く): 644581224

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 28901, 57802, 86703, 115604, 144505, 173406, 202307, 260109, 289010, 346812, 404614, 433515, 520218, 578020, 606921, 809228, 867030, 1011535, 1040436, 1213842, 1300545, 1416149, 1734060, 1820763, 2023070, 2427684, 2601090, 2832298, 3034605, 3641526, 4046140, 4248447, 5202180, 5664596, 6069210, 7080745, 7283052, 8496894, 9103815, 12138420, 12745341, 14161490, 16993788, 18207630, 21242235, 25490682, 28322980, 36415260, 42484470, 50981364, 63726705, 84968940, 127453410, 254906820]

約数ペア:

[(1, 254906820), (2, 127453410), (3, 84968940), (4, 63726705), (5, 50981364), (6, 42484470), (7, 36415260), (9, 28322980), (10, 25490682), (12, 21242235), (14, 18207630), (15, 16993788), (18, 14161490), (20, 12745341), (21, 12138420), (28, 9103815), (30, 8496894), (35, 7283052), (36, 7080745), (42, 6069210), (45, 5664596), (49, 5202180), (60, 4248447), (63, 4046140), (70, 3641526), (84, 3034605), (90, 2832298), (98, 2601090), (105, 2427684), (126, 2023070), (140, 1820763), (147, 1734060), (180, 1416149), (196, 1300545), (210, 1213842), (245, 1040436), (252, 1011535), (294, 867030), (315, 809228), (420, 606921), (441, 578020), (490, 520218), (588, 433515), (630, 404614), (735, 346812), (882, 289010), (980, 260109), (1260, 202307), (1470, 173406), (1764, 144505), (2205, 115604), (2940, 86703), (4410, 57802), (8820, 28901)]