220311420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16921}}^1$

素因数の和:16971

約数の個数: 96

約数和(自身を含む): 727781376

約数和(自身を除く): 507469956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 16921, 33842, 50763, 67684, 84605, 101526, 118447, 169210, 203052, 236894, 253815, 338420, 355341, 473788, 507630, 524551, 592235, 710682, 1015260, 1049102, 1184470, 1421364, 1573653, 1776705, 2098204, 2368940, 2622755, 3147306, 3553410, 3671857, 5245510, 6294612, 7106820, 7343714, 7868265, 10491020, 11015571, 14687428, 15736530, 18359285, 22031142, 31473060, 36718570, 44062284, 55077855, 73437140, 110155710, 220311420]

約数ペア:

[(1, 220311420), (2, 110155710), (3, 73437140), (4, 55077855), (5, 44062284), (6, 36718570), (7, 31473060), (10, 22031142), (12, 18359285), (14, 15736530), (15, 14687428), (20, 11015571), (21, 10491020), (28, 7868265), (30, 7343714), (31, 7106820), (35, 6294612), (42, 5245510), (60, 3671857), (62, 3553410), (70, 3147306), (84, 2622755), (93, 2368940), (105, 2098204), (124, 1776705), (140, 1573653), (155, 1421364), (186, 1184470), (210, 1049102), (217, 1015260), (310, 710682), (372, 592235), (420, 524551), (434, 507630), (465, 473788), (620, 355341), (651, 338420), (868, 253815), (930, 236894), (1085, 203052), (1302, 169210), (1860, 118447), (2170, 101526), (2604, 84605), (3255, 67684), (4340, 50763), (6510, 33842), (13020, 16921)]