6620804540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{217933}}^1$

素因数の和:217987

約数の個数: 72

約数和(自身を含む): 16695487872

約数和(自身を除く): 10074683332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380, 217933, 435866, 871732, 1089665, 1525531, 2179330, 3051062, 4358660, 6102124, 6755923, 7627655, 10678717, 13511846, 15255310, 21357434, 27023692, 30510620, 33779615, 42714868, 47291461, 53393585, 67559230, 94582922, 106787170, 135118460, 189165844, 213574340, 236457305, 331040227, 472914610, 662080454, 945829220, 1324160908, 1655201135, 3310402270, 6620804540]

約数ペア:

[(1, 6620804540), (2, 3310402270), (4, 1655201135), (5, 1324160908), (7, 945829220), (10, 662080454), (14, 472914610), (20, 331040227), (28, 236457305), (31, 213574340), (35, 189165844), (49, 135118460), (62, 106787170), (70, 94582922), (98, 67559230), (124, 53393585), (140, 47291461), (155, 42714868), (196, 33779615), (217, 30510620), (245, 27023692), (310, 21357434), (434, 15255310), (490, 13511846), (620, 10678717), (868, 7627655), (980, 6755923), (1085, 6102124), (1519, 4358660), (2170, 3051062), (3038, 2179330), (4340, 1525531), (6076, 1089665), (7595, 871732), (15190, 435866), (30380, 217933)]