84838040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 151552360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 431, 518, 532, 665, 703, 740, 760, 862, 1036, 1064, 1295, 1330, 1406, 1480, 1724, 2072, 2155, 2590, 2660, 2812, 3017, 3448, 3515, 4310, 4921, 5180, 5320, 5624, 6034, 7030, 8189, 8620, 9842, 10360, 12068, 14060, 15085, 15947, 16378, 17240, 19684, 24136, 24605, 28120, 30170, 31894, 32756, 39368, 40945, 49210, 57323, 60340, 63788, 65512, 79735, 81890, 98420, 111629, 114646, 120680, 127576, 159470, 163780, 196840, 223258, 229292, 286615, 302993, 318940, 327560, 446516, 458584, 558145, 573230, 605986, 637880, 893032, 1116290, 1146460, 1211972, 1514965, 2120951, 2232580, 2292920, 2423944, 3029930, 4241902, 4465160, 6059860, 8483804, 10604755, 12119720, 16967608, 21209510, 42419020, 84838040]

約数ペア:

[(1, 84838040), (2, 42419020), (4, 21209510), (5, 16967608), (7, 12119720), (8, 10604755), (10, 8483804), (14, 6059860), (19, 4465160), (20, 4241902), (28, 3029930), (35, 2423944), (37, 2292920), (38, 2232580), (40, 2120951), (56, 1514965), (70, 1211972), (74, 1146460), (76, 1116290), (95, 893032), (133, 637880), (140, 605986), (148, 573230), (152, 558145), (185, 458584), (190, 446516), (259, 327560), (266, 318940), (280, 302993), (296, 286615), (370, 229292), (380, 223258), (431, 196840), (518, 163780), (532, 159470), (665, 127576), (703, 120680), (740, 114646), (760, 111629), (862, 98420), (1036, 81890), (1064, 79735), (1295, 65512), (1330, 63788), (1406, 60340), (1480, 57323), (1724, 49210), (2072, 40945), (2155, 39368), (2590, 32756), (2660, 31894), (2812, 30170), (3017, 28120), (3448, 24605), (3515, 24136), (4310, 19684), (4921, 17240), (5180, 16378), (5320, 15947), (5624, 15085), (6034, 14060), (7030, 12068), (8189, 10360), (8620, 9842)]