197999280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^2\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 180

約数和(自身を含む): 684971040

約数和(自身を除く): 486971760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 79, 80, 90, 118, 120, 144, 158, 177, 180, 236, 237, 240, 295, 316, 354, 360, 395, 472, 474, 531, 590, 632, 708, 711, 720, 790, 885, 944, 948, 1062, 1180, 1185, 1264, 1416, 1422, 1580, 1770, 1896, 2124, 2360, 2370, 2655, 2832, 2844, 3160, 3481, 3540, 3555, 3792, 4248, 4661, 4720, 4740, 5310, 5688, 6320, 6962, 7080, 7110, 8496, 9322, 9480, 10443, 10620, 11376, 13924, 13983, 14160, 14220, 17405, 18644, 18960, 20886, 21240, 23305, 27848, 27966, 28440, 31329, 34810, 37288, 41772, 41949, 42480, 46610, 52215, 55696, 55932, 56880, 62658, 69620, 69915, 74576, 83544, 83898, 93220, 104430, 111864, 125316, 139240, 139830, 156645, 167088, 167796, 186440, 208860, 209745, 223728, 250632, 274999, 278480, 279660, 313290, 335592, 372880, 417720, 419490, 501264, 549998, 559320, 626580, 671184, 824997, 835440, 838980, 1099996, 1118640, 1253160, 1374995, 1649994, 1677960, 2199992, 2474991, 2506320, 2749990, 3299988, 3355920, 4124985, 4399984, 4949982, 5499980, 6599976, 8249970, 9899964, 10999960, 12374955, 13199952, 16499940, 19799928, 21999920, 24749910, 32999880, 39599856, 49499820, 65999760, 98999640, 197999280]

約数ペア:

[(1, 197999280), (2, 98999640), (3, 65999760), (4, 49499820), (5, 39599856), (6, 32999880), (8, 24749910), (9, 21999920), (10, 19799928), (12, 16499940), (15, 13199952), (16, 12374955), (18, 10999960), (20, 9899964), (24, 8249970), (30, 6599976), (36, 5499980), (40, 4949982), (45, 4399984), (48, 4124985), (59, 3355920), (60, 3299988), (72, 2749990), (79, 2506320), (80, 2474991), (90, 2199992), (118, 1677960), (120, 1649994), (144, 1374995), (158, 1253160), (177, 1118640), (180, 1099996), (236, 838980), (237, 835440), (240, 824997), (295, 671184), (316, 626580), (354, 559320), (360, 549998), (395, 501264), (472, 419490), (474, 417720), (531, 372880), (590, 335592), (632, 313290), (708, 279660), (711, 278480), (720, 274999), (790, 250632), (885, 223728), (944, 209745), (948, 208860), (1062, 186440), (1180, 167796), (1185, 167088), (1264, 156645), (1416, 139830), (1422, 139240), (1580, 125316), (1770, 111864), (1896, 104430), (2124, 93220), (2360, 83898), (2370, 83544), (2655, 74576), (2832, 69915), (2844, 69620), (3160, 62658), (3481, 56880), (3540, 55932), (3555, 55696), (3792, 52215), (4248, 46610), (4661, 42480), (4720, 41949), (4740, 41772), (5310, 37288), (5688, 34810), (6320, 31329), (6962, 28440), (7080, 27966), (7110, 27848), (8496, 23305), (9322, 21240), (9480, 20886), (10443, 18960), (10620, 18644), (11376, 17405), (13924, 14220), (13983, 14160)]