219930880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13217}}^1$

素因数の和:13251

約数の個数: 72

約数和(自身を含む): 567369432

約数和(自身を除く): 347438552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 13217, 16640, 26434, 52868, 66085, 105736, 132170, 171821, 211472, 264340, 343642, 422944, 528680, 687284, 845888, 859105, 1057360, 1374568, 1691776, 1718210, 2114720, 2749136, 3383552, 3436420, 4229440, 5498272, 6872840, 8458880, 10996544, 13745680, 16917760, 21993088, 27491360, 43986176, 54982720, 109965440, 219930880]

約数ペア:

[(1, 219930880), (2, 109965440), (4, 54982720), (5, 43986176), (8, 27491360), (10, 21993088), (13, 16917760), (16, 13745680), (20, 10996544), (26, 8458880), (32, 6872840), (40, 5498272), (52, 4229440), (64, 3436420), (65, 3383552), (80, 2749136), (104, 2114720), (128, 1718210), (130, 1691776), (160, 1374568), (208, 1057360), (256, 859105), (260, 845888), (320, 687284), (416, 528680), (520, 422944), (640, 343642), (832, 264340), (1040, 211472), (1280, 171821), (1664, 132170), (2080, 105736), (3328, 66085), (4160, 52868), (8320, 26434), (13217, 16640)]