2099161720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1\times {\mathrm{1877}}^1$

素因数の和:2344

約数の個数: 64

約数和(自身を含む): 4802872320

約数和(自身を除く): 2703710600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 383, 584, 730, 766, 1460, 1532, 1877, 1915, 2920, 3064, 3754, 3830, 7508, 7660, 9385, 15016, 15320, 18770, 27959, 37540, 55918, 75080, 111836, 137021, 139795, 223672, 274042, 279590, 548084, 559180, 685105, 718891, 1096168, 1118360, 1370210, 1437782, 2740420, 2875564, 3594455, 5480840, 5751128, 7188910, 14377820, 28755640, 52479043, 104958086, 209916172, 262395215, 419832344, 524790430, 1049580860, 2099161720]

約数ペア:

[(1, 2099161720), (2, 1049580860), (4, 524790430), (5, 419832344), (8, 262395215), (10, 209916172), (20, 104958086), (40, 52479043), (73, 28755640), (146, 14377820), (292, 7188910), (365, 5751128), (383, 5480840), (584, 3594455), (730, 2875564), (766, 2740420), (1460, 1437782), (1532, 1370210), (1877, 1118360), (1915, 1096168), (2920, 718891), (3064, 685105), (3754, 559180), (3830, 548084), (7508, 279590), (7660, 274042), (9385, 223672), (15016, 139795), (15320, 137021), (18770, 111836), (27959, 75080), (37540, 55918)]