16979418340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{785357}}^1$

素因数の和:785436

約数の個数: 48

約数和(自身を含む): 37998761472

約数和(自身を除く): 21019343132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 21620, 785357, 1570714, 3141428, 3926785, 7853570, 15707140, 18063211, 36126422, 36911779, 72252844, 73823558, 90316055, 147647116, 180632110, 184558895, 361264220, 369117790, 738235580, 848970917, 1697941834, 3395883668, 4244854585, 8489709170, 16979418340]

約数ペア:

[(1, 16979418340), (2, 8489709170), (4, 4244854585), (5, 3395883668), (10, 1697941834), (20, 848970917), (23, 738235580), (46, 369117790), (47, 361264220), (92, 184558895), (94, 180632110), (115, 147647116), (188, 90316055), (230, 73823558), (235, 72252844), (460, 36911779), (470, 36126422), (940, 18063211), (1081, 15707140), (2162, 7853570), (4324, 3926785), (5405, 3141428), (10810, 1570714), (21620, 785357)]