644698356890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1993933}}^1$

素因数の和:1994127

約数の個数: 64

約数和(自身を含む): 1378207180800

約数和(自身を除く): 733508823910

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 149, 155, 217, 298, 310, 434, 745, 1043, 1085, 1490, 2086, 2170, 4619, 5215, 9238, 10430, 23095, 32333, 46190, 64666, 161665, 323330, 1993933, 3987866, 9969665, 13957531, 19939330, 27915062, 61811923, 69787655, 123623846, 139575310, 297096017, 309059615, 432683461, 594192034, 618119230, 865366922, 1485480085, 2079672119, 2163417305, 2970960170, 4159344238, 4326834610, 9209976527, 10398360595, 18419953054, 20796721190, 46049882635, 64469835689, 92099765270, 128939671378, 322349178445, 644698356890]

約数ペア:

[(1, 644698356890), (2, 322349178445), (5, 128939671378), (7, 92099765270), (10, 64469835689), (14, 46049882635), (31, 20796721190), (35, 18419953054), (62, 10398360595), (70, 9209976527), (149, 4326834610), (155, 4159344238), (217, 2970960170), (298, 2163417305), (310, 2079672119), (434, 1485480085), (745, 865366922), (1043, 618119230), (1085, 594192034), (1490, 432683461), (2086, 309059615), (2170, 297096017), (4619, 139575310), (5215, 123623846), (9238, 69787655), (10430, 61811923), (23095, 27915062), (32333, 19939330), (46190, 13957531), (64666, 9969665), (161665, 3987866), (323330, 1993933)]