721445830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 1680611328

約数和(自身を除く): 959165498

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 43, 46, 70, 85, 86, 115, 119, 161, 170, 215, 230, 238, 301, 322, 391, 430, 595, 602, 613, 731, 782, 805, 989, 1190, 1226, 1462, 1505, 1610, 1955, 1978, 2737, 3010, 3065, 3655, 3910, 4291, 4945, 5117, 5474, 6130, 6923, 7310, 8582, 9890, 10234, 10421, 13685, 13846, 14099, 16813, 20842, 21455, 25585, 26359, 27370, 28198, 33626, 34615, 42910, 51170, 52105, 52718, 69230, 70495, 72947, 84065, 98693, 104210, 117691, 131795, 140990, 145894, 168130, 184513, 197386, 235382, 239683, 263590, 364735, 369026, 448103, 479366, 493465, 588455, 606257, 729470, 896206, 922565, 986930, 1176910, 1198415, 1212514, 1677781, 1845130, 2240515, 2396830, 3031285, 3136721, 3355562, 4243799, 4481030, 6062570, 6273442, 8388905, 8487598, 10306369, 15683605, 16777810, 20612738, 21218995, 31367210, 42437990, 51531845, 72144583, 103063690, 144289166, 360722915, 721445830]

約数ペア:

[(1, 721445830), (2, 360722915), (5, 144289166), (7, 103063690), (10, 72144583), (14, 51531845), (17, 42437990), (23, 31367210), (34, 21218995), (35, 20612738), (43, 16777810), (46, 15683605), (70, 10306369), (85, 8487598), (86, 8388905), (115, 6273442), (119, 6062570), (161, 4481030), (170, 4243799), (215, 3355562), (230, 3136721), (238, 3031285), (301, 2396830), (322, 2240515), (391, 1845130), (430, 1677781), (595, 1212514), (602, 1198415), (613, 1176910), (731, 986930), (782, 922565), (805, 896206), (989, 729470), (1190, 606257), (1226, 588455), (1462, 493465), (1505, 479366), (1610, 448103), (1955, 369026), (1978, 364735), (2737, 263590), (3010, 239683), (3065, 235382), (3655, 197386), (3910, 184513), (4291, 168130), (4945, 145894), (5117, 140990), (5474, 131795), (6130, 117691), (6923, 104210), (7310, 98693), (8582, 84065), (9890, 72947), (10234, 70495), (10421, 69230), (13685, 52718), (13846, 52105), (14099, 51170), (16813, 42910), (20842, 34615), (21455, 33626), (25585, 28198), (26359, 27370)]