77972700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19993}}^1$

素因数の和:20023

約数の個数: 72

約数和(自身を含む): 242967088

約数和(自身を除く): 164994388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 19993, 39986, 59979, 79972, 99965, 119958, 199930, 239916, 259909, 299895, 399860, 499825, 519818, 599790, 779727, 999650, 1039636, 1199580, 1299545, 1499475, 1559454, 1999300, 2599090, 2998950, 3118908, 3898635, 5198180, 5997900, 6497725, 7797270, 12995450, 15594540, 19493175, 25990900, 38986350, 77972700]

約数ペア:

[(1, 77972700), (2, 38986350), (3, 25990900), (4, 19493175), (5, 15594540), (6, 12995450), (10, 7797270), (12, 6497725), (13, 5997900), (15, 5198180), (20, 3898635), (25, 3118908), (26, 2998950), (30, 2599090), (39, 1999300), (50, 1559454), (52, 1499475), (60, 1299545), (65, 1199580), (75, 1039636), (78, 999650), (100, 779727), (130, 599790), (150, 519818), (156, 499825), (195, 399860), (260, 299895), (300, 259909), (325, 239916), (390, 199930), (650, 119958), (780, 99965), (975, 79972), (1300, 59979), (1950, 39986), (3900, 19993)]