21380343250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{4409}}^1$

素因数の和:4613

約数の個数: 128

約数和(自身を含む): 48740590080

約数和(自身を除く): 27360246830

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 163, 170, 175, 238, 250, 326, 350, 425, 595, 815, 850, 875, 1141, 1190, 1630, 1750, 2125, 2282, 2771, 2975, 4075, 4250, 4409, 5542, 5705, 5950, 8150, 8818, 11410, 13855, 14875, 19397, 20375, 22045, 27710, 28525, 29750, 30863, 38794, 40750, 44090, 57050, 61726, 69275, 74953, 96985, 110225, 138550, 142625, 149906, 154315, 193970, 220450, 285250, 308630, 346375, 374765, 484925, 524671, 551125, 692750, 718667, 749530, 771575, 969850, 1049342, 1102250, 1437334, 1543150, 1873825, 2424625, 2623355, 3593335, 3747650, 3857875, 4849250, 5030669, 5246710, 7186670, 7715750, 9369125, 10061338, 12217339, 13116775, 17966675, 18738250, 24434678, 25153345, 26233550, 35933350, 50306690, 61086695, 65583875, 85521373, 89833375, 122173390, 125766725, 131167750, 171042746, 179666750, 251533450, 305433475, 427606865, 610866950, 628833625, 855213730, 1257667250, 1527167375, 2138034325, 3054334750, 4276068650, 10690171625, 21380343250]

約数ペア:

[(1, 21380343250), (2, 10690171625), (5, 4276068650), (7, 3054334750), (10, 2138034325), (14, 1527167375), (17, 1257667250), (25, 855213730), (34, 628833625), (35, 610866950), (50, 427606865), (70, 305433475), (85, 251533450), (119, 179666750), (125, 171042746), (163, 131167750), (170, 125766725), (175, 122173390), (238, 89833375), (250, 85521373), (326, 65583875), (350, 61086695), (425, 50306690), (595, 35933350), (815, 26233550), (850, 25153345), (875, 24434678), (1141, 18738250), (1190, 17966675), (1630, 13116775), (1750, 12217339), (2125, 10061338), (2282, 9369125), (2771, 7715750), (2975, 7186670), (4075, 5246710), (4250, 5030669), (4409, 4849250), (5542, 3857875), (5705, 3747650), (5950, 3593335), (8150, 2623355), (8818, 2424625), (11410, 1873825), (13855, 1543150), (14875, 1437334), (19397, 1102250), (20375, 1049342), (22045, 969850), (27710, 771575), (28525, 749530), (29750, 718667), (30863, 692750), (38794, 551125), (40750, 524671), (44090, 484925), (57050, 374765), (61726, 346375), (69275, 308630), (74953, 285250), (96985, 220450), (110225, 193970), (138550, 154315), (142625, 149906)]