2019901240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5813}}^1$

素因数の和:5921

約数の個数: 128

約数和(自身を含む): 5575858560

約数和(自身を除く): 3555957320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 73, 85, 119, 136, 140, 146, 170, 238, 280, 292, 340, 365, 476, 511, 584, 595, 680, 730, 952, 1022, 1190, 1241, 1460, 2044, 2380, 2482, 2555, 2920, 4088, 4760, 4964, 5110, 5813, 6205, 8687, 9928, 10220, 11626, 12410, 17374, 20440, 23252, 24820, 29065, 34748, 40691, 43435, 46504, 49640, 58130, 69496, 81382, 86870, 98821, 116260, 162764, 173740, 197642, 203455, 232520, 325528, 347480, 395284, 406910, 424349, 494105, 691747, 790568, 813820, 848698, 988210, 1383494, 1627640, 1697396, 1976420, 2121745, 2766988, 2970443, 3394792, 3458735, 3952840, 4243490, 5533976, 5940886, 6917470, 7213933, 8486980, 11881772, 13834940, 14427866, 14852215, 16973960, 23763544, 27669880, 28855732, 29704430, 36069665, 50497531, 57711464, 59408860, 72139330, 100995062, 118817720, 144278660, 201990124, 252487655, 288557320, 403980248, 504975310, 1009950620, 2019901240]

約数ペア:

[(1, 2019901240), (2, 1009950620), (4, 504975310), (5, 403980248), (7, 288557320), (8, 252487655), (10, 201990124), (14, 144278660), (17, 118817720), (20, 100995062), (28, 72139330), (34, 59408860), (35, 57711464), (40, 50497531), (56, 36069665), (68, 29704430), (70, 28855732), (73, 27669880), (85, 23763544), (119, 16973960), (136, 14852215), (140, 14427866), (146, 13834940), (170, 11881772), (238, 8486980), (280, 7213933), (292, 6917470), (340, 5940886), (365, 5533976), (476, 4243490), (511, 3952840), (584, 3458735), (595, 3394792), (680, 2970443), (730, 2766988), (952, 2121745), (1022, 1976420), (1190, 1697396), (1241, 1627640), (1460, 1383494), (2044, 988210), (2380, 848698), (2482, 813820), (2555, 790568), (2920, 691747), (4088, 494105), (4760, 424349), (4964, 406910), (5110, 395284), (5813, 347480), (6205, 325528), (8687, 232520), (9928, 203455), (10220, 197642), (11626, 173740), (12410, 162764), (17374, 116260), (20440, 98821), (23252, 86870), (24820, 81382), (29065, 69496), (34748, 58130), (40691, 49640), (43435, 46504)]