219351040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 544078080

約数和(自身を除く): 324727040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 691, 992, 1024, 1240, 1280, 1382, 1984, 2048, 2480, 2560, 2764, 3455, 3968, 4960, 5120, 5528, 6910, 7936, 9920, 10240, 11056, 13820, 15872, 19840, 21421, 22112, 27640, 31744, 39680, 42842, 44224, 55280, 63488, 79360, 85684, 88448, 107105, 110560, 158720, 171368, 176896, 214210, 221120, 317440, 342736, 353792, 428420, 442240, 685472, 707584, 856840, 884480, 1370944, 1415168, 1713680, 1768960, 2741888, 3427360, 3537920, 5483776, 6854720, 7075840, 10967552, 13709440, 21935104, 27418880, 43870208, 54837760, 109675520, 219351040]

約数ペア:

[(1, 219351040), (2, 109675520), (4, 54837760), (5, 43870208), (8, 27418880), (10, 21935104), (16, 13709440), (20, 10967552), (31, 7075840), (32, 6854720), (40, 5483776), (62, 3537920), (64, 3427360), (80, 2741888), (124, 1768960), (128, 1713680), (155, 1415168), (160, 1370944), (248, 884480), (256, 856840), (310, 707584), (320, 685472), (496, 442240), (512, 428420), (620, 353792), (640, 342736), (691, 317440), (992, 221120), (1024, 214210), (1240, 176896), (1280, 171368), (1382, 158720), (1984, 110560), (2048, 107105), (2480, 88448), (2560, 85684), (2764, 79360), (3455, 63488), (3968, 55280), (4960, 44224), (5120, 42842), (5528, 39680), (6910, 31744), (7936, 27640), (9920, 22112), (10240, 21421), (11056, 19840), (13820, 15872)]