243894640420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1\times {\mathrm{797}}^1$

素因数の和:1873

約数の個数: 96

約数和(自身を含む): 521204634720

約数和(自身を除く): 277309994300

約数列:

[1, 2, 4, 5, 10, 20, 101, 197, 202, 394, 404, 505, 769, 788, 797, 985, 1010, 1538, 1594, 1970, 2020, 3076, 3188, 3845, 3940, 3985, 7690, 7970, 15380, 15940, 19897, 39794, 77669, 79588, 80497, 99485, 151493, 155338, 157009, 160994, 198970, 302986, 310676, 314018, 321988, 388345, 397940, 402485, 605972, 612893, 628036, 757465, 776690, 785045, 804970, 1225786, 1514930, 1553380, 1570090, 1609940, 2451572, 3029860, 3064465, 3140180, 6128930, 12257860, 15300793, 15857909, 30601586, 31715818, 61203172, 61902193, 63431636, 76503965, 79289545, 120739921, 123804386, 153007930, 158579090, 241479842, 247608772, 306015860, 309510965, 317158180, 482959684, 603699605, 619021930, 1207399210, 1238043860, 2414798420, 12194732021, 24389464042, 48778928084, 60973660105, 121947320210, 243894640420]

約数ペア:

[(1, 243894640420), (2, 121947320210), (4, 60973660105), (5, 48778928084), (10, 24389464042), (20, 12194732021), (101, 2414798420), (197, 1238043860), (202, 1207399210), (394, 619021930), (404, 603699605), (505, 482959684), (769, 317158180), (788, 309510965), (797, 306015860), (985, 247608772), (1010, 241479842), (1538, 158579090), (1594, 153007930), (1970, 123804386), (2020, 120739921), (3076, 79289545), (3188, 76503965), (3845, 63431636), (3940, 61902193), (3985, 61203172), (7690, 31715818), (7970, 30601586), (15380, 15857909), (15940, 15300793), (19897, 12257860), (39794, 6128930), (77669, 3140180), (79588, 3064465), (80497, 3029860), (99485, 2451572), (151493, 1609940), (155338, 1570090), (157009, 1553380), (160994, 1514930), (198970, 1225786), (302986, 804970), (310676, 785045), (314018, 776690), (321988, 757465), (388345, 628036), (397940, 612893), (402485, 605972)]