217339900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 502936560

約数和(自身を除く): 285596660

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 173, 340, 346, 425, 692, 739, 850, 865, 1478, 1700, 1730, 2941, 2956, 3460, 3695, 4325, 5882, 7390, 8650, 11764, 12563, 14705, 14780, 17300, 18475, 25126, 29410, 36950, 50252, 58820, 62815, 73525, 73900, 125630, 127847, 147050, 251260, 255694, 294100, 314075, 511388, 628150, 639235, 1256300, 1278470, 2173399, 2556940, 3196175, 4346798, 6392350, 8693596, 10866995, 12784700, 21733990, 43467980, 54334975, 108669950, 217339900]

約数ペア:

[(1, 217339900), (2, 108669950), (4, 54334975), (5, 43467980), (10, 21733990), (17, 12784700), (20, 10866995), (25, 8693596), (34, 6392350), (50, 4346798), (68, 3196175), (85, 2556940), (100, 2173399), (170, 1278470), (173, 1256300), (340, 639235), (346, 628150), (425, 511388), (692, 314075), (739, 294100), (850, 255694), (865, 251260), (1478, 147050), (1700, 127847), (1730, 125630), (2941, 73900), (2956, 73525), (3460, 62815), (3695, 58820), (4325, 50252), (5882, 36950), (7390, 29410), (8650, 25126), (11764, 18475), (12563, 17300), (14705, 14780)]