2019808700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{221957}}^1$

素因数の和:221991

約数の個数: 72

約数和(自身を含む): 5394467232

約数和(自身を除く): 3374658532

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 221957, 443914, 887828, 1109785, 1553699, 2219570, 2885441, 3107398, 4439140, 5548925, 5770882, 6214796, 7768495, 11097850, 11541764, 14427205, 15536990, 20198087, 22195700, 28854410, 31073980, 38842475, 40396174, 57708820, 72136025, 77684950, 80792348, 100990435, 144272050, 155369900, 201980870, 288544100, 403961740, 504952175, 1009904350, 2019808700]

約数ペア:

[(1, 2019808700), (2, 1009904350), (4, 504952175), (5, 403961740), (7, 288544100), (10, 201980870), (13, 155369900), (14, 144272050), (20, 100990435), (25, 80792348), (26, 77684950), (28, 72136025), (35, 57708820), (50, 40396174), (52, 38842475), (65, 31073980), (70, 28854410), (91, 22195700), (100, 20198087), (130, 15536990), (140, 14427205), (175, 11541764), (182, 11097850), (260, 7768495), (325, 6214796), (350, 5770882), (364, 5548925), (455, 4439140), (650, 3107398), (700, 2885441), (910, 2219570), (1300, 1553699), (1820, 1109785), (2275, 887828), (4550, 443914), (9100, 221957)]