2011397960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{351643}}^1$

素因数の和:351678

約数の個数: 64

約数和(自身を含む): 5316857280

約数和(自身を除く): 3305459320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 351643, 703286, 1406572, 1758215, 2813144, 3516430, 3868073, 4571359, 7032860, 7736146, 9142718, 14065720, 15472292, 18285436, 19340365, 22856795, 30944584, 36570872, 38680730, 45713590, 50284949, 77361460, 91427180, 100569898, 154722920, 182854360, 201139796, 251424745, 402279592, 502849490, 1005698980, 2011397960]

約数ペア:

[(1, 2011397960), (2, 1005698980), (4, 502849490), (5, 402279592), (8, 251424745), (10, 201139796), (11, 182854360), (13, 154722920), (20, 100569898), (22, 91427180), (26, 77361460), (40, 50284949), (44, 45713590), (52, 38680730), (55, 36570872), (65, 30944584), (88, 22856795), (104, 19340365), (110, 18285436), (130, 15472292), (143, 14065720), (220, 9142718), (260, 7736146), (286, 7032860), (440, 4571359), (520, 3868073), (572, 3516430), (715, 2813144), (1144, 1758215), (1430, 1406572), (2860, 703286), (5720, 351643)]