1285389300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{329587}}^1$

素因数の和:329617

約数の個数: 72

約数和(自身を含む): 4005153376

約数和(自身を除く): 2719764076

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, 329587, 659174, 988761, 1318348, 1647935, 1977522, 3295870, 3955044, 4284631, 4943805, 6591740, 8239675, 8569262, 9887610, 12853893, 16479350, 17138524, 19775220, 21423155, 24719025, 25707786, 32958700, 42846310, 49438050, 51415572, 64269465, 85692620, 98876100, 107115775, 128538930, 214231550, 257077860, 321347325, 428463100, 642694650, 1285389300]

約数ペア:

[(1, 1285389300), (2, 642694650), (3, 428463100), (4, 321347325), (5, 257077860), (6, 214231550), (10, 128538930), (12, 107115775), (13, 98876100), (15, 85692620), (20, 64269465), (25, 51415572), (26, 49438050), (30, 42846310), (39, 32958700), (50, 25707786), (52, 24719025), (60, 21423155), (65, 19775220), (75, 17138524), (78, 16479350), (100, 12853893), (130, 9887610), (150, 8569262), (156, 8239675), (195, 6591740), (260, 4943805), (300, 4284631), (325, 3955044), (390, 3295870), (650, 1977522), (780, 1647935), (975, 1318348), (1300, 988761), (1950, 659174), (3900, 329587)]