399983220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24419}}^1$

素因数の和:24454

約数の個数: 144

約数和(自身を含む): 1493331840

約数和(自身を除く): 1093348620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 24419, 48838, 73257, 97676, 122095, 146514, 170933, 219771, 244190, 293028, 317447, 341866, 366285, 439542, 488380, 512799, 634894, 683732, 732570, 854665, 879084, 952341, 1025598, 1098855, 1269788, 1465140, 1538397, 1587235, 1709330, 1904682, 2051196, 2197710, 2222129, 2563995, 2857023, 3076794, 3174470, 3418660, 3809364, 4395420, 4444258, 4761705, 5127990, 5714046, 6153588, 6348940, 6666387, 7691985, 8888516, 9523410, 10255980, 11110645, 11428092, 13332774, 14285115, 15383970, 19046820, 19999161, 22221290, 26665548, 28570230, 30767940, 33331935, 39998322, 44442580, 57140460, 66663870, 79996644, 99995805, 133327740, 199991610, 399983220]

約数ペア:

[(1, 399983220), (2, 199991610), (3, 133327740), (4, 99995805), (5, 79996644), (6, 66663870), (7, 57140460), (9, 44442580), (10, 39998322), (12, 33331935), (13, 30767940), (14, 28570230), (15, 26665548), (18, 22221290), (20, 19999161), (21, 19046820), (26, 15383970), (28, 14285115), (30, 13332774), (35, 11428092), (36, 11110645), (39, 10255980), (42, 9523410), (45, 8888516), (52, 7691985), (60, 6666387), (63, 6348940), (65, 6153588), (70, 5714046), (78, 5127990), (84, 4761705), (90, 4444258), (91, 4395420), (105, 3809364), (117, 3418660), (126, 3174470), (130, 3076794), (140, 2857023), (156, 2563995), (180, 2222129), (182, 2197710), (195, 2051196), (210, 1904682), (234, 1709330), (252, 1587235), (260, 1538397), (273, 1465140), (315, 1269788), (364, 1098855), (390, 1025598), (420, 952341), (455, 879084), (468, 854665), (546, 732570), (585, 683732), (630, 634894), (780, 512799), (819, 488380), (910, 439542), (1092, 366285), (1170, 341866), (1260, 317447), (1365, 293028), (1638, 244190), (1820, 219771), (2340, 170933), (2730, 146514), (3276, 122095), (4095, 97676), (5460, 73257), (8190, 48838), (16380, 24419)]