394228240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22709}}^1$

素因数の和:22760

約数の個数: 80

約数和(自身を含む): 1081359360

約数和(自身を除く): 687131120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 22709, 45418, 90836, 113545, 158963, 181672, 227090, 317926, 363344, 454180, 635852, 703979, 794815, 908360, 1271704, 1407958, 1589630, 1816720, 2543408, 2815916, 3179260, 3519895, 4927853, 5631832, 6358520, 7039790, 9855706, 11263664, 12717040, 14079580, 19711412, 24639265, 28159160, 39422824, 49278530, 56318320, 78845648, 98557060, 197114120, 394228240]

約数ペア:

[(1, 394228240), (2, 197114120), (4, 98557060), (5, 78845648), (7, 56318320), (8, 49278530), (10, 39422824), (14, 28159160), (16, 24639265), (20, 19711412), (28, 14079580), (31, 12717040), (35, 11263664), (40, 9855706), (56, 7039790), (62, 6358520), (70, 5631832), (80, 4927853), (112, 3519895), (124, 3179260), (140, 2815916), (155, 2543408), (217, 1816720), (248, 1589630), (280, 1407958), (310, 1271704), (434, 908360), (496, 794815), (560, 703979), (620, 635852), (868, 454180), (1085, 363344), (1240, 317926), (1736, 227090), (2170, 181672), (2480, 158963), (3472, 113545), (4340, 90836), (8680, 45418), (17360, 22709)]