202181620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{971}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 440899200

約数和(自身を除く): 238717580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 359, 580, 718, 971, 1436, 1795, 1942, 3590, 3884, 4855, 7180, 9710, 10411, 19420, 20822, 28159, 41644, 52055, 56318, 104110, 112636, 140795, 208220, 281590, 348589, 563180, 697178, 1394356, 1742945, 3485890, 6971780, 10109081, 20218162, 40436324, 50545405, 101090810, 202181620]

約数ペア:

[(1, 202181620), (2, 101090810), (4, 50545405), (5, 40436324), (10, 20218162), (20, 10109081), (29, 6971780), (58, 3485890), (116, 1742945), (145, 1394356), (290, 697178), (359, 563180), (580, 348589), (718, 281590), (971, 208220), (1436, 140795), (1795, 112636), (1942, 104110), (3590, 56318), (3884, 52055), (4855, 41644), (7180, 28159), (9710, 20822), (10411, 19420)]