47983740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:904

約数の個数: 144

約数和(自身を含む): 164707200

約数和(自身を除く): 116723460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 859, 931, 980, 1140, 1330, 1470, 1596, 1718, 1862, 1995, 2577, 2660, 2793, 2940, 3436, 3724, 3990, 4295, 4655, 5154, 5586, 6013, 7980, 8590, 9310, 10308, 11172, 12026, 12885, 13965, 16321, 17180, 18039, 18620, 24052, 25770, 27930, 30065, 32642, 36078, 42091, 48963, 51540, 55860, 60130, 65284, 72156, 81605, 84182, 90195, 97926, 114247, 120260, 126273, 163210, 168364, 180390, 195852, 210455, 228494, 244815, 252546, 326420, 342741, 360780, 420910, 456988, 489630, 505092, 571235, 631365, 685482, 799729, 841820, 979260, 1142470, 1262730, 1370964, 1599458, 1713705, 2284940, 2399187, 2525460, 3198916, 3427410, 3998645, 4798374, 6854820, 7997290, 9596748, 11995935, 15994580, 23991870, 47983740]

約数ペア:

[(1, 47983740), (2, 23991870), (3, 15994580), (4, 11995935), (5, 9596748), (6, 7997290), (7, 6854820), (10, 4798374), (12, 3998645), (14, 3427410), (15, 3198916), (19, 2525460), (20, 2399187), (21, 2284940), (28, 1713705), (30, 1599458), (35, 1370964), (38, 1262730), (42, 1142470), (49, 979260), (57, 841820), (60, 799729), (70, 685482), (76, 631365), (84, 571235), (95, 505092), (98, 489630), (105, 456988), (114, 420910), (133, 360780), (140, 342741), (147, 326420), (190, 252546), (196, 244815), (210, 228494), (228, 210455), (245, 195852), (266, 180390), (285, 168364), (294, 163210), (380, 126273), (399, 120260), (420, 114247), (490, 97926), (532, 90195), (570, 84182), (588, 81605), (665, 72156), (735, 65284), (798, 60130), (859, 55860), (931, 51540), (980, 48963), (1140, 42091), (1330, 36078), (1470, 32642), (1596, 30065), (1718, 27930), (1862, 25770), (1995, 24052), (2577, 18620), (2660, 18039), (2793, 17180), (2940, 16321), (3436, 13965), (3724, 12885), (3990, 12026), (4295, 11172), (4655, 10308), (5154, 9310), (5586, 8590), (6013, 7980)]