400772008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 1024565760

約数和(自身を除く): 623793752

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 47, 52, 53, 56, 68, 91, 94, 104, 106, 119, 136, 169, 182, 188, 212, 221, 238, 329, 338, 364, 371, 376, 424, 442, 476, 611, 658, 676, 689, 728, 742, 799, 884, 901, 952, 1183, 1222, 1316, 1352, 1378, 1484, 1547, 1598, 1768, 1802, 2366, 2444, 2491, 2632, 2756, 2873, 2968, 3094, 3196, 3604, 4277, 4732, 4823, 4888, 4982, 5512, 5593, 5746, 6188, 6307, 6392, 7208, 7943, 8554, 8957, 9464, 9646, 9964, 10387, 11186, 11492, 11713, 12376, 12614, 15886, 17108, 17437, 17914, 19292, 19928, 20111, 20774, 22372, 22984, 23426, 25228, 31772, 32383, 34216, 34874, 35828, 38584, 40222, 41548, 42347, 44744, 46852, 50456, 55601, 62699, 63544, 64766, 69748, 71656, 72709, 80444, 81991, 83096, 84694, 93704, 111202, 125398, 129532, 135031, 139496, 145418, 152269, 160888, 163982, 169388, 222404, 226681, 250796, 259064, 270062, 290836, 296429, 304538, 327964, 338776, 420979, 444808, 453362, 501592, 540124, 550511, 581672, 592858, 609076, 655928, 841958, 906724, 945217, 1065883, 1080248, 1101022, 1185716, 1218152, 1683916, 1813448, 1890434, 2131766, 2202044, 2371432, 2946853, 3367832, 3780868, 3853577, 4263532, 4404088, 5893706, 7156643, 7561736, 7707154, 8527064, 11787412, 14313286, 15414308, 23574824, 28626572, 30828616, 50096501, 57253144, 100193002, 200386004, 400772008]

約数ペア:

[(1, 400772008), (2, 200386004), (4, 100193002), (7, 57253144), (8, 50096501), (13, 30828616), (14, 28626572), (17, 23574824), (26, 15414308), (28, 14313286), (34, 11787412), (47, 8527064), (52, 7707154), (53, 7561736), (56, 7156643), (68, 5893706), (91, 4404088), (94, 4263532), (104, 3853577), (106, 3780868), (119, 3367832), (136, 2946853), (169, 2371432), (182, 2202044), (188, 2131766), (212, 1890434), (221, 1813448), (238, 1683916), (329, 1218152), (338, 1185716), (364, 1101022), (371, 1080248), (376, 1065883), (424, 945217), (442, 906724), (476, 841958), (611, 655928), (658, 609076), (676, 592858), (689, 581672), (728, 550511), (742, 540124), (799, 501592), (884, 453362), (901, 444808), (952, 420979), (1183, 338776), (1222, 327964), (1316, 304538), (1352, 296429), (1378, 290836), (1484, 270062), (1547, 259064), (1598, 250796), (1768, 226681), (1802, 222404), (2366, 169388), (2444, 163982), (2491, 160888), (2632, 152269), (2756, 145418), (2873, 139496), (2968, 135031), (3094, 129532), (3196, 125398), (3604, 111202), (4277, 93704), (4732, 84694), (4823, 83096), (4888, 81991), (4982, 80444), (5512, 72709), (5593, 71656), (5746, 69748), (6188, 64766), (6307, 63544), (6392, 62699), (7208, 55601), (7943, 50456), (8554, 46852), (8957, 44744), (9464, 42347), (9646, 41548), (9964, 40222), (10387, 38584), (11186, 35828), (11492, 34874), (11713, 34216), (12376, 32383), (12614, 31772), (15886, 25228), (17108, 23426), (17437, 22984), (17914, 22372), (19292, 20774), (19928, 20111)]