198437400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{15749}}^1$

素因数の和:15778

約数の個数: 144

約数和(自身を含む): 761670000

約数和(自身を除く): 563232600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 12600, 15749, 31498, 47247, 62996, 78745, 94494, 110243, 125992, 141741, 157490, 188988, 220486, 236235, 283482, 314980, 330729, 377976, 393725, 440972, 472470, 551215, 566964, 629960, 661458, 708705, 787450, 881944, 944940, 992187, 1102430, 1133928, 1181175, 1322916, 1417410, 1574900, 1653645, 1889880, 1984374, 2204860, 2362350, 2645832, 2756075, 2834820, 3149800, 3307290, 3543525, 3968748, 4409720, 4724700, 4960935, 5512150, 5669640, 6614580, 7087050, 7937496, 8268225, 9449400, 9921870, 11024300, 13229160, 14174100, 16536450, 19843740, 22048600, 24804675, 28348200, 33072900, 39687480, 49609350, 66145800, 99218700, 198437400]

約数ペア:

[(1, 198437400), (2, 99218700), (3, 66145800), (4, 49609350), (5, 39687480), (6, 33072900), (7, 28348200), (8, 24804675), (9, 22048600), (10, 19843740), (12, 16536450), (14, 14174100), (15, 13229160), (18, 11024300), (20, 9921870), (21, 9449400), (24, 8268225), (25, 7937496), (28, 7087050), (30, 6614580), (35, 5669640), (36, 5512150), (40, 4960935), (42, 4724700), (45, 4409720), (50, 3968748), (56, 3543525), (60, 3307290), (63, 3149800), (70, 2834820), (72, 2756075), (75, 2645832), (84, 2362350), (90, 2204860), (100, 1984374), (105, 1889880), (120, 1653645), (126, 1574900), (140, 1417410), (150, 1322916), (168, 1181175), (175, 1133928), (180, 1102430), (200, 992187), (210, 944940), (225, 881944), (252, 787450), (280, 708705), (300, 661458), (315, 629960), (350, 566964), (360, 551215), (420, 472470), (450, 440972), (504, 393725), (525, 377976), (600, 330729), (630, 314980), (700, 283482), (840, 236235), (900, 220486), (1050, 188988), (1260, 157490), (1400, 141741), (1575, 125992), (1800, 110243), (2100, 94494), (2520, 78745), (3150, 62996), (4200, 47247), (6300, 31498), (12600, 15749)]