2578900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 6233976

約数和(自身を除く): 3655076

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 41, 50, 68, 74, 82, 85, 100, 148, 164, 170, 185, 205, 340, 370, 410, 425, 629, 697, 740, 820, 850, 925, 1025, 1258, 1394, 1517, 1700, 1850, 2050, 2516, 2788, 3034, 3145, 3485, 3700, 4100, 6068, 6290, 6970, 7585, 12580, 13940, 15170, 15725, 17425, 25789, 30340, 31450, 34850, 37925, 51578, 62900, 69700, 75850, 103156, 128945, 151700, 257890, 515780, 644725, 1289450, 2578900]

約数ペア:

[(1, 2578900), (2, 1289450), (4, 644725), (5, 515780), (10, 257890), (17, 151700), (20, 128945), (25, 103156), (34, 75850), (37, 69700), (41, 62900), (50, 51578), (68, 37925), (74, 34850), (82, 31450), (85, 30340), (100, 25789), (148, 17425), (164, 15725), (170, 15170), (185, 13940), (205, 12580), (340, 7585), (370, 6970), (410, 6290), (425, 6068), (629, 4100), (697, 3700), (740, 3485), (820, 3145), (850, 3034), (925, 2788), (1025, 2516), (1258, 2050), (1394, 1850), (1517, 1700)]