1821796760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4691}}^1$

素因数の和:4801

約数の個数: 128

約数和(自身を含む): 4999795200

約数和(自身を除く): 3177998440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 95, 133, 140, 146, 152, 190, 266, 280, 292, 365, 380, 511, 532, 584, 665, 730, 760, 1022, 1064, 1330, 1387, 1460, 2044, 2555, 2660, 2774, 2920, 4088, 4691, 5110, 5320, 5548, 6935, 9382, 9709, 10220, 11096, 13870, 18764, 19418, 20440, 23455, 27740, 32837, 37528, 38836, 46910, 48545, 55480, 65674, 77672, 89129, 93820, 97090, 131348, 164185, 178258, 187640, 194180, 262696, 328370, 342443, 356516, 388360, 445645, 623903, 656740, 684886, 713032, 891290, 1247806, 1313480, 1369772, 1712215, 1782580, 2397101, 2495612, 2739544, 3119515, 3424430, 3565160, 4794202, 4991224, 6239030, 6506417, 6848860, 9588404, 11985505, 12478060, 13012834, 13697720, 19176808, 23971010, 24956120, 26025668, 32532085, 45544919, 47942020, 52051336, 65064170, 91089838, 95884040, 130128340, 182179676, 227724595, 260256680, 364359352, 455449190, 910898380, 1821796760]

約数ペア:

[(1, 1821796760), (2, 910898380), (4, 455449190), (5, 364359352), (7, 260256680), (8, 227724595), (10, 182179676), (14, 130128340), (19, 95884040), (20, 91089838), (28, 65064170), (35, 52051336), (38, 47942020), (40, 45544919), (56, 32532085), (70, 26025668), (73, 24956120), (76, 23971010), (95, 19176808), (133, 13697720), (140, 13012834), (146, 12478060), (152, 11985505), (190, 9588404), (266, 6848860), (280, 6506417), (292, 6239030), (365, 4991224), (380, 4794202), (511, 3565160), (532, 3424430), (584, 3119515), (665, 2739544), (730, 2495612), (760, 2397101), (1022, 1782580), (1064, 1712215), (1330, 1369772), (1387, 1313480), (1460, 1247806), (2044, 891290), (2555, 713032), (2660, 684886), (2774, 656740), (2920, 623903), (4088, 445645), (4691, 388360), (5110, 356516), (5320, 342443), (5548, 328370), (6935, 262696), (9382, 194180), (9709, 187640), (10220, 178258), (11096, 164185), (13870, 131348), (18764, 97090), (19418, 93820), (20440, 89129), (23455, 77672), (27740, 65674), (32837, 55480), (37528, 48545), (38836, 46910)]