200720660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6607}}^1$

素因数の和:6661

約数の個数: 72

約数和(自身を含む): 506225664

約数和(自身を除く): 305505004

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, 6607, 7595, 13214, 15190, 26428, 30380, 33035, 46249, 66070, 92498, 132140, 184996, 204817, 231245, 323743, 409634, 462490, 647486, 819268, 924980, 1024085, 1294972, 1433719, 1618715, 2048170, 2867438, 3237430, 4096340, 5734876, 6474860, 7168595, 10036033, 14337190, 20072066, 28674380, 40144132, 50180165, 100360330, 200720660]

約数ペア:

[(1, 200720660), (2, 100360330), (4, 50180165), (5, 40144132), (7, 28674380), (10, 20072066), (14, 14337190), (20, 10036033), (28, 7168595), (31, 6474860), (35, 5734876), (49, 4096340), (62, 3237430), (70, 2867438), (98, 2048170), (124, 1618715), (140, 1433719), (155, 1294972), (196, 1024085), (217, 924980), (245, 819268), (310, 647486), (434, 462490), (490, 409634), (620, 323743), (868, 231245), (980, 204817), (1085, 184996), (1519, 132140), (2170, 92498), (3038, 66070), (4340, 46249), (6076, 33035), (6607, 30380), (7595, 26428), (13214, 15190)]