1555148860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{99817}}^1$

素因数の和:99886

約数の個数: 48

約数和(自身を含む): 3521579040

約数和(自身を除く): 1966430180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 99817, 199634, 399268, 499085, 998170, 1896523, 1996340, 3793046, 4092497, 7586092, 8184994, 9482615, 16369988, 18965230, 20462485, 37930460, 40924970, 77757443, 81849940, 155514886, 311029772, 388787215, 777574430, 1555148860]

約数ペア:

[(1, 1555148860), (2, 777574430), (4, 388787215), (5, 311029772), (10, 155514886), (19, 81849940), (20, 77757443), (38, 40924970), (41, 37930460), (76, 20462485), (82, 18965230), (95, 16369988), (164, 9482615), (190, 8184994), (205, 7586092), (380, 4092497), (410, 3793046), (779, 1996340), (820, 1896523), (1558, 998170), (3116, 499085), (3895, 399268), (7790, 199634), (15580, 99817)]