154380380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{14321}}^1$

素因数の和:14355

約数の個数: 72

約数和(自身を含む): 411442416

約数和(自身を除く): 257062036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 14321, 28642, 57284, 71605, 100247, 143210, 157531, 200494, 286420, 315062, 400988, 501235, 630124, 701729, 787655, 1002470, 1102717, 1403458, 1575310, 2004940, 2205434, 2806916, 3150620, 3508645, 4410868, 5513585, 7017290, 7719019, 11027170, 14034580, 15438038, 22054340, 30876076, 38595095, 77190190, 154380380]

約数ペア:

[(1, 154380380), (2, 77190190), (4, 38595095), (5, 30876076), (7, 22054340), (10, 15438038), (11, 14034580), (14, 11027170), (20, 7719019), (22, 7017290), (28, 5513585), (35, 4410868), (44, 3508645), (49, 3150620), (55, 2806916), (70, 2205434), (77, 2004940), (98, 1575310), (110, 1403458), (140, 1102717), (154, 1002470), (196, 787655), (220, 701729), (245, 630124), (308, 501235), (385, 400988), (490, 315062), (539, 286420), (770, 200494), (980, 157531), (1078, 143210), (1540, 100247), (2156, 71605), (2695, 57284), (5390, 28642), (10780, 14321)]