400054620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{2777}}^1$

素因数の和:2817

約数の個数: 120

約数和(自身を含む): 1307237904

約数和(自身を除く): 907183284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2401, 2777, 2940, 3430, 4116, 4802, 5145, 5554, 6860, 7203, 8331, 9604, 10290, 11108, 12005, 13885, 14406, 16662, 19439, 20580, 24010, 27770, 28812, 33324, 36015, 38878, 41655, 48020, 55540, 58317, 72030, 77756, 83310, 97195, 116634, 136073, 144060, 166620, 194390, 233268, 272146, 291585, 388780, 408219, 544292, 583170, 680365, 816438, 952511, 1166340, 1360730, 1632876, 1905022, 2041095, 2721460, 2857533, 3810044, 4082190, 4762555, 5715066, 6667577, 8164380, 9525110, 11430132, 13335154, 14287665, 19050220, 20002731, 26670308, 28575330, 33337885, 40005462, 57150660, 66675770, 80010924, 100013655, 133351540, 200027310, 400054620]

約数ペア:

[(1, 400054620), (2, 200027310), (3, 133351540), (4, 100013655), (5, 80010924), (6, 66675770), (7, 57150660), (10, 40005462), (12, 33337885), (14, 28575330), (15, 26670308), (20, 20002731), (21, 19050220), (28, 14287665), (30, 13335154), (35, 11430132), (42, 9525110), (49, 8164380), (60, 6667577), (70, 5715066), (84, 4762555), (98, 4082190), (105, 3810044), (140, 2857533), (147, 2721460), (196, 2041095), (210, 1905022), (245, 1632876), (294, 1360730), (343, 1166340), (420, 952511), (490, 816438), (588, 680365), (686, 583170), (735, 544292), (980, 408219), (1029, 388780), (1372, 291585), (1470, 272146), (1715, 233268), (2058, 194390), (2401, 166620), (2777, 144060), (2940, 136073), (3430, 116634), (4116, 97195), (4802, 83310), (5145, 77756), (5554, 72030), (6860, 58317), (7203, 55540), (8331, 48020), (9604, 41655), (10290, 38878), (11108, 36015), (12005, 33324), (13885, 28812), (14406, 27770), (16662, 24010), (19439, 20580)]