1640258900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{32099}}^1$

素因数の和:32193

約数の個数: 72

約数和(自身を含む): 4123694400

約数和(自身を除く): 2483435500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 175, 292, 350, 365, 511, 700, 730, 1022, 1460, 1825, 2044, 2555, 3650, 5110, 7300, 10220, 12775, 25550, 32099, 51100, 64198, 128396, 160495, 224693, 320990, 449386, 641980, 802475, 898772, 1123465, 1604950, 2246930, 2343227, 3209900, 4493860, 4686454, 5617325, 9372908, 11234650, 11716135, 16402589, 22469300, 23432270, 32805178, 46864540, 58580675, 65610356, 82012945, 117161350, 164025890, 234322700, 328051780, 410064725, 820129450, 1640258900]

約数ペア:

[(1, 1640258900), (2, 820129450), (4, 410064725), (5, 328051780), (7, 234322700), (10, 164025890), (14, 117161350), (20, 82012945), (25, 65610356), (28, 58580675), (35, 46864540), (50, 32805178), (70, 23432270), (73, 22469300), (100, 16402589), (140, 11716135), (146, 11234650), (175, 9372908), (292, 5617325), (350, 4686454), (365, 4493860), (511, 3209900), (700, 2343227), (730, 2246930), (1022, 1604950), (1460, 1123465), (1825, 898772), (2044, 802475), (2555, 641980), (3650, 449386), (5110, 320990), (7300, 224693), (10220, 160495), (12775, 128396), (25550, 64198), (32099, 51100)]