49209420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 156425472

約数和(自身を除く): 107216052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 169, 195, 211, 230, 260, 276, 299, 338, 345, 390, 422, 460, 507, 598, 633, 676, 690, 780, 844, 845, 897, 1014, 1055, 1196, 1266, 1380, 1495, 1690, 1794, 2028, 2110, 2532, 2535, 2743, 2990, 3165, 3380, 3588, 3887, 4220, 4485, 4853, 5070, 5486, 5980, 6330, 7774, 8229, 8970, 9706, 10140, 10972, 11661, 12660, 13715, 14559, 15548, 16458, 17940, 19412, 19435, 23322, 24265, 27430, 29118, 32916, 35659, 38870, 41145, 46644, 48530, 54860, 58236, 58305, 63089, 71318, 72795, 77740, 82290, 97060, 106977, 116610, 126178, 142636, 145590, 164580, 178295, 189267, 213954, 233220, 252356, 291180, 315445, 356590, 378534, 427908, 534885, 630890, 713180, 757068, 820157, 946335, 1069770, 1261780, 1640314, 1892670, 2139540, 2460471, 3280628, 3785340, 4100785, 4920942, 8201570, 9841884, 12302355, 16403140, 24604710, 49209420]

約数ペア:

[(1, 49209420), (2, 24604710), (3, 16403140), (4, 12302355), (5, 9841884), (6, 8201570), (10, 4920942), (12, 4100785), (13, 3785340), (15, 3280628), (20, 2460471), (23, 2139540), (26, 1892670), (30, 1640314), (39, 1261780), (46, 1069770), (52, 946335), (60, 820157), (65, 757068), (69, 713180), (78, 630890), (92, 534885), (115, 427908), (130, 378534), (138, 356590), (156, 315445), (169, 291180), (195, 252356), (211, 233220), (230, 213954), (260, 189267), (276, 178295), (299, 164580), (338, 145590), (345, 142636), (390, 126178), (422, 116610), (460, 106977), (507, 97060), (598, 82290), (633, 77740), (676, 72795), (690, 71318), (780, 63089), (844, 58305), (845, 58236), (897, 54860), (1014, 48530), (1055, 46644), (1196, 41145), (1266, 38870), (1380, 35659), (1495, 32916), (1690, 29118), (1794, 27430), (2028, 24265), (2110, 23322), (2532, 19435), (2535, 19412), (2743, 17940), (2990, 16458), (3165, 15548), (3380, 14559), (3588, 13715), (3887, 12660), (4220, 11661), (4485, 10972), (4853, 10140), (5070, 9706), (5486, 8970), (5980, 8229), (6330, 7774)]