389550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{53}}^1$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 1145016

約数和(自身を除く): 755466

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 53, 70, 75, 98, 105, 106, 147, 150, 159, 175, 210, 245, 265, 294, 318, 350, 371, 490, 525, 530, 735, 742, 795, 1050, 1113, 1225, 1325, 1470, 1590, 1855, 2226, 2450, 2597, 2650, 3675, 3710, 3975, 5194, 5565, 7350, 7791, 7950, 9275, 11130, 12985, 15582, 18550, 25970, 27825, 38955, 55650, 64925, 77910, 129850, 194775, 389550]

約数ペア:

[(1, 389550), (2, 194775), (3, 129850), (5, 77910), (6, 64925), (7, 55650), (10, 38955), (14, 27825), (15, 25970), (21, 18550), (25, 15582), (30, 12985), (35, 11130), (42, 9275), (49, 7950), (50, 7791), (53, 7350), (70, 5565), (75, 5194), (98, 3975), (105, 3710), (106, 3675), (147, 2650), (150, 2597), (159, 2450), (175, 2226), (210, 1855), (245, 1590), (265, 1470), (294, 1325), (318, 1225), (350, 1113), (371, 1050), (490, 795), (525, 742), (530, 735)]