205557900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 641292288

約数和(自身を除く): 435734388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 31, 46, 50, 60, 62, 69, 75, 92, 93, 100, 115, 124, 138, 150, 155, 186, 230, 276, 300, 310, 345, 372, 460, 465, 575, 620, 690, 713, 775, 930, 961, 1150, 1380, 1426, 1550, 1725, 1860, 1922, 2139, 2300, 2325, 2852, 2883, 3100, 3450, 3565, 3844, 4278, 4650, 4805, 5766, 6900, 7130, 8556, 9300, 9610, 10695, 11532, 14260, 14415, 17825, 19220, 21390, 22103, 24025, 28830, 29791, 35650, 42780, 44206, 48050, 53475, 57660, 59582, 66309, 71300, 72075, 88412, 89373, 96100, 106950, 110515, 119164, 132618, 144150, 148955, 178746, 213900, 221030, 265236, 288300, 297910, 331545, 357492, 442060, 446865, 552575, 595820, 663090, 685193, 744775, 893730, 1105150, 1326180, 1370386, 1489550, 1657725, 1787460, 2055579, 2210300, 2234325, 2740772, 2979100, 3315450, 3425965, 4111158, 4468650, 6630900, 6851930, 8222316, 8937300, 10277895, 13703860, 17129825, 20555790, 34259650, 41111580, 51389475, 68519300, 102778950, 205557900]

約数ペア:

[(1, 205557900), (2, 102778950), (3, 68519300), (4, 51389475), (5, 41111580), (6, 34259650), (10, 20555790), (12, 17129825), (15, 13703860), (20, 10277895), (23, 8937300), (25, 8222316), (30, 6851930), (31, 6630900), (46, 4468650), (50, 4111158), (60, 3425965), (62, 3315450), (69, 2979100), (75, 2740772), (92, 2234325), (93, 2210300), (100, 2055579), (115, 1787460), (124, 1657725), (138, 1489550), (150, 1370386), (155, 1326180), (186, 1105150), (230, 893730), (276, 744775), (300, 685193), (310, 663090), (345, 595820), (372, 552575), (460, 446865), (465, 442060), (575, 357492), (620, 331545), (690, 297910), (713, 288300), (775, 265236), (930, 221030), (961, 213900), (1150, 178746), (1380, 148955), (1426, 144150), (1550, 132618), (1725, 119164), (1860, 110515), (1922, 106950), (2139, 96100), (2300, 89373), (2325, 88412), (2852, 72075), (2883, 71300), (3100, 66309), (3450, 59582), (3565, 57660), (3844, 53475), (4278, 48050), (4650, 44206), (4805, 42780), (5766, 35650), (6900, 29791), (7130, 28830), (8556, 24025), (9300, 22103), (9610, 21390), (10695, 19220), (11532, 17825), (14260, 14415)]