213429880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2053}}^1$

素因数の和:2200

約数の個数: 64

約数和(自身を含む): 505776960

約数和(自身を除く): 292347080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 226, 230, 452, 460, 565, 904, 920, 1130, 2053, 2260, 2599, 4106, 4520, 5198, 8212, 10265, 10396, 12995, 16424, 20530, 20792, 25990, 41060, 47219, 51980, 82120, 94438, 103960, 188876, 231989, 236095, 377752, 463978, 472190, 927956, 944380, 1159945, 1855912, 1888760, 2319890, 4639780, 5335747, 9279560, 10671494, 21342988, 26678735, 42685976, 53357470, 106714940, 213429880]

約数ペア:

[(1, 213429880), (2, 106714940), (4, 53357470), (5, 42685976), (8, 26678735), (10, 21342988), (20, 10671494), (23, 9279560), (40, 5335747), (46, 4639780), (92, 2319890), (113, 1888760), (115, 1855912), (184, 1159945), (226, 944380), (230, 927956), (452, 472190), (460, 463978), (565, 377752), (904, 236095), (920, 231989), (1130, 188876), (2053, 103960), (2260, 94438), (2599, 82120), (4106, 51980), (4520, 47219), (5198, 41060), (8212, 25990), (10265, 20792), (10396, 20530), (12995, 16424)]