39420220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 98092512

約数和(自身を除く): 58672292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 293, 310, 434, 586, 620, 868, 961, 1085, 1172, 1465, 1922, 2051, 2170, 2930, 3844, 4102, 4340, 4805, 5860, 6727, 8204, 9083, 9610, 10255, 13454, 18166, 19220, 20510, 26908, 33635, 36332, 41020, 45415, 63581, 67270, 90830, 127162, 134540, 181660, 254324, 281573, 317905, 563146, 635810, 1126292, 1271620, 1407865, 1971011, 2815730, 3942022, 5631460, 7884044, 9855055, 19710110, 39420220]

約数ペア:

[(1, 39420220), (2, 19710110), (4, 9855055), (5, 7884044), (7, 5631460), (10, 3942022), (14, 2815730), (20, 1971011), (28, 1407865), (31, 1271620), (35, 1126292), (62, 635810), (70, 563146), (124, 317905), (140, 281573), (155, 254324), (217, 181660), (293, 134540), (310, 127162), (434, 90830), (586, 67270), (620, 63581), (868, 45415), (961, 41020), (1085, 36332), (1172, 33635), (1465, 26908), (1922, 20510), (2051, 19220), (2170, 18166), (2930, 13454), (3844, 10255), (4102, 9610), (4340, 9083), (4805, 8204), (5860, 6727)]