197997480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9649}}^1$

素因数の和:9688

約数の個数: 128

約数和(自身を含む): 694800000

約数和(自身を除く): 496802520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 9649, 10260, 19298, 20520, 28947, 38596, 48245, 57894, 77192, 86841, 96490, 115788, 144735, 173682, 183331, 192980, 231576, 260523, 289470, 347364, 366662, 385960, 434205, 521046, 549993, 578940, 694728, 733324, 868410, 916655, 1042092, 1099986, 1157880, 1302615, 1466648, 1649979, 1736820, 1833310, 2084184, 2199972, 2605230, 2749965, 3299958, 3473640, 3666620, 4399944, 4949937, 5210460, 5499930, 6599916, 7333240, 8249895, 9899874, 10420920, 10999860, 13199832, 16499790, 19799748, 21999720, 24749685, 32999580, 39599496, 49499370, 65999160, 98998740, 197997480]

約数ペア:

[(1, 197997480), (2, 98998740), (3, 65999160), (4, 49499370), (5, 39599496), (6, 32999580), (8, 24749685), (9, 21999720), (10, 19799748), (12, 16499790), (15, 13199832), (18, 10999860), (19, 10420920), (20, 9899874), (24, 8249895), (27, 7333240), (30, 6599916), (36, 5499930), (38, 5210460), (40, 4949937), (45, 4399944), (54, 3666620), (57, 3473640), (60, 3299958), (72, 2749965), (76, 2605230), (90, 2199972), (95, 2084184), (108, 1833310), (114, 1736820), (120, 1649979), (135, 1466648), (152, 1302615), (171, 1157880), (180, 1099986), (190, 1042092), (216, 916655), (228, 868410), (270, 733324), (285, 694728), (342, 578940), (360, 549993), (380, 521046), (456, 434205), (513, 385960), (540, 366662), (570, 347364), (684, 289470), (760, 260523), (855, 231576), (1026, 192980), (1080, 183331), (1140, 173682), (1368, 144735), (1710, 115788), (2052, 96490), (2280, 86841), (2565, 77192), (3420, 57894), (4104, 48245), (5130, 38596), (6840, 28947), (9649, 20520), (10260, 19298)]