77028900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19751}}^1$

素因数の和:19781

約数の個数: 72

約数和(自身を含む): 240026304

約数和(自身を除く): 162997404

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, 19751, 39502, 59253, 79004, 98755, 118506, 197510, 237012, 256763, 296265, 395020, 493775, 513526, 592530, 770289, 987550, 1027052, 1185060, 1283815, 1481325, 1540578, 1975100, 2567630, 2962650, 3081156, 3851445, 5135260, 5925300, 6419075, 7702890, 12838150, 15405780, 19257225, 25676300, 38514450, 77028900]

約数ペア:

[(1, 77028900), (2, 38514450), (3, 25676300), (4, 19257225), (5, 15405780), (6, 12838150), (10, 7702890), (12, 6419075), (13, 5925300), (15, 5135260), (20, 3851445), (25, 3081156), (26, 2962650), (30, 2567630), (39, 1975100), (50, 1540578), (52, 1481325), (60, 1283815), (65, 1185060), (75, 1027052), (78, 987550), (100, 770289), (130, 592530), (150, 513526), (156, 493775), (195, 395020), (260, 296265), (300, 256763), (325, 237012), (390, 197510), (650, 118506), (780, 98755), (975, 79004), (1300, 59253), (1950, 39502), (3900, 19751)]