407925280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{379}}^1$

素因数の和:463

約数の個数: 144

約数和(自身を含む): 1141076160

約数和(自身を除く): 733150880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 379, 434, 496, 560, 620, 758, 868, 961, 992, 1085, 1120, 1240, 1516, 1736, 1895, 1922, 2170, 2480, 2653, 3032, 3472, 3790, 3844, 4340, 4805, 4960, 5306, 6064, 6727, 6944, 7580, 7688, 8680, 9610, 10612, 11749, 12128, 13265, 13454, 15160, 15376, 17360, 19220, 21224, 23498, 26530, 26908, 30320, 30752, 33635, 34720, 38440, 42448, 46996, 53060, 53816, 58745, 60640, 67270, 76880, 82243, 84896, 93992, 106120, 107632, 117490, 134540, 153760, 164486, 187984, 212240, 215264, 234980, 269080, 328972, 364219, 375968, 411215, 424480, 469960, 538160, 657944, 728438, 822430, 939920, 1076320, 1315888, 1456876, 1644860, 1821095, 1879840, 2549533, 2631776, 2913752, 3289720, 3642190, 5099066, 5827504, 6579440, 7284380, 10198132, 11655008, 12747665, 13158880, 14568760, 20396264, 25495330, 29137520, 40792528, 50990660, 58275040, 81585056, 101981320, 203962640, 407925280]

約数ペア:

[(1, 407925280), (2, 203962640), (4, 101981320), (5, 81585056), (7, 58275040), (8, 50990660), (10, 40792528), (14, 29137520), (16, 25495330), (20, 20396264), (28, 14568760), (31, 13158880), (32, 12747665), (35, 11655008), (40, 10198132), (56, 7284380), (62, 6579440), (70, 5827504), (80, 5099066), (112, 3642190), (124, 3289720), (140, 2913752), (155, 2631776), (160, 2549533), (217, 1879840), (224, 1821095), (248, 1644860), (280, 1456876), (310, 1315888), (379, 1076320), (434, 939920), (496, 822430), (560, 728438), (620, 657944), (758, 538160), (868, 469960), (961, 424480), (992, 411215), (1085, 375968), (1120, 364219), (1240, 328972), (1516, 269080), (1736, 234980), (1895, 215264), (1922, 212240), (2170, 187984), (2480, 164486), (2653, 153760), (3032, 134540), (3472, 117490), (3790, 107632), (3844, 106120), (4340, 93992), (4805, 84896), (4960, 82243), (5306, 76880), (6064, 67270), (6727, 60640), (6944, 58745), (7580, 53816), (7688, 53060), (8680, 46996), (9610, 42448), (10612, 38440), (11749, 34720), (12128, 33635), (13265, 30752), (13454, 30320), (15160, 26908), (15376, 26530), (17360, 23498), (19220, 21224)]