438060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 1436400

約数和(自身を除く): 998340

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, 149, 196, 210, 245, 294, 298, 420, 447, 490, 588, 596, 735, 745, 894, 980, 1043, 1470, 1490, 1788, 2086, 2235, 2940, 2980, 3129, 4172, 4470, 5215, 6258, 7301, 8940, 10430, 12516, 14602, 15645, 20860, 21903, 29204, 31290, 36505, 43806, 62580, 73010, 87612, 109515, 146020, 219030, 438060]

約数ペア:

[(1, 438060), (2, 219030), (3, 146020), (4, 109515), (5, 87612), (6, 73010), (7, 62580), (10, 43806), (12, 36505), (14, 31290), (15, 29204), (20, 21903), (21, 20860), (28, 15645), (30, 14602), (35, 12516), (42, 10430), (49, 8940), (60, 7301), (70, 6258), (84, 5215), (98, 4470), (105, 4172), (140, 3129), (147, 2980), (149, 2940), (196, 2235), (210, 2086), (245, 1788), (294, 1490), (298, 1470), (420, 1043), (447, 980), (490, 894), (588, 745), (596, 735)]