39688340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 92171520

約数和(自身を除く): 52483180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 239, 361, 380, 437, 460, 478, 722, 874, 956, 1195, 1444, 1748, 1805, 2185, 2390, 3610, 4370, 4541, 4780, 5497, 7220, 8303, 8740, 9082, 10994, 16606, 18164, 21988, 22705, 27485, 33212, 41515, 45410, 54970, 83030, 86279, 90820, 104443, 109940, 166060, 172558, 208886, 345116, 417772, 431395, 522215, 862790, 1044430, 1725580, 1984417, 2088860, 3968834, 7937668, 9922085, 19844170, 39688340]

約数ペア:

[(1, 39688340), (2, 19844170), (4, 9922085), (5, 7937668), (10, 3968834), (19, 2088860), (20, 1984417), (23, 1725580), (38, 1044430), (46, 862790), (76, 522215), (92, 431395), (95, 417772), (115, 345116), (190, 208886), (230, 172558), (239, 166060), (361, 109940), (380, 104443), (437, 90820), (460, 86279), (478, 83030), (722, 54970), (874, 45410), (956, 41515), (1195, 33212), (1444, 27485), (1748, 22705), (1805, 21988), (2185, 18164), (2390, 16606), (3610, 10994), (4370, 9082), (4541, 8740), (4780, 8303), (5497, 7220)]