30468020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 45373900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 110, 148, 185, 190, 197, 209, 220, 370, 380, 394, 407, 418, 703, 740, 788, 814, 836, 985, 1045, 1406, 1628, 1970, 2035, 2090, 2167, 2812, 3515, 3743, 3940, 4070, 4180, 4334, 7030, 7289, 7486, 7733, 8140, 8668, 10835, 14060, 14578, 14972, 15466, 18715, 21670, 29156, 30932, 36445, 37430, 38665, 41173, 43340, 72890, 74860, 77330, 80179, 82346, 138491, 145780, 154660, 160358, 164692, 205865, 276982, 320716, 400895, 411730, 553964, 692455, 801790, 823460, 1384910, 1523401, 1603580, 2769820, 3046802, 6093604, 7617005, 15234010, 30468020]

約数ペア:

[(1, 30468020), (2, 15234010), (4, 7617005), (5, 6093604), (10, 3046802), (11, 2769820), (19, 1603580), (20, 1523401), (22, 1384910), (37, 823460), (38, 801790), (44, 692455), (55, 553964), (74, 411730), (76, 400895), (95, 320716), (110, 276982), (148, 205865), (185, 164692), (190, 160358), (197, 154660), (209, 145780), (220, 138491), (370, 82346), (380, 80179), (394, 77330), (407, 74860), (418, 72890), (703, 43340), (740, 41173), (788, 38665), (814, 37430), (836, 36445), (985, 30932), (1045, 29156), (1406, 21670), (1628, 18715), (1970, 15466), (2035, 14972), (2090, 14578), (2167, 14060), (2812, 10835), (3515, 8668), (3743, 8140), (3940, 7733), (4070, 7486), (4180, 7289), (4334, 7030)]