215554780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{49667}}^1$

素因数の和:49714

約数の個数: 48

約数和(自身を含む): 534030336

約数和(自身を除く): 318475556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 49667, 99334, 198668, 248335, 347669, 496670, 695338, 993340, 1390676, 1539677, 1738345, 3079354, 3476690, 6158708, 6953380, 7698385, 10777739, 15396770, 21555478, 30793540, 43110956, 53888695, 107777390, 215554780]

約数ペア:

[(1, 215554780), (2, 107777390), (4, 53888695), (5, 43110956), (7, 30793540), (10, 21555478), (14, 15396770), (20, 10777739), (28, 7698385), (31, 6953380), (35, 6158708), (62, 3476690), (70, 3079354), (124, 1738345), (140, 1539677), (155, 1390676), (217, 993340), (310, 695338), (434, 496670), (620, 347669), (868, 248335), (1085, 198668), (2170, 99334), (4340, 49667)]