1641970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 3447360

約数和(自身を除く): 1805390

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 59, 110, 115, 118, 121, 230, 242, 253, 295, 506, 590, 605, 649, 1210, 1265, 1298, 1357, 2530, 2714, 2783, 3245, 5566, 6490, 6785, 7139, 13570, 13915, 14278, 14927, 27830, 29854, 35695, 71390, 74635, 149270, 164197, 328394, 820985, 1641970]

約数ペア:

[(1, 1641970), (2, 820985), (5, 328394), (10, 164197), (11, 149270), (22, 74635), (23, 71390), (46, 35695), (55, 29854), (59, 27830), (110, 14927), (115, 14278), (118, 13915), (121, 13570), (230, 7139), (242, 6785), (253, 6490), (295, 5566), (506, 3245), (590, 2783), (605, 2714), (649, 2530), (1210, 1357), (1265, 1298)]