254374120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1$

素因数の和:6395

約数の個数: 128

約数和(自身を含む): 768579840

約数和(自身を除く): 514205720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 6353, 8008, 10010, 12706, 20020, 25412, 31765, 40040, 44471, 50824, 63530, 69883, 82589, 88942, 127060, 139766, 165178, 177884, 222355, 254120, 279532, 330356, 349415, 355768, 412945, 444710, 489181, 559064, 578123, 660712, 698830, 825890, 889420, 908479, 978362, 1156246, 1397660, 1651780, 1778840, 1816958, 1956724, 2312492, 2445905, 2795320, 2890615, 3303560, 3633916, 3913448, 4542395, 4624984, 4891810, 5781230, 6359353, 7267832, 9084790, 9783620, 11562460, 12718706, 18169580, 19567240, 23124920, 25437412, 31796765, 36339160, 50874824, 63593530, 127187060, 254374120]

約数ペア:

[(1, 254374120), (2, 127187060), (4, 63593530), (5, 50874824), (7, 36339160), (8, 31796765), (10, 25437412), (11, 23124920), (13, 19567240), (14, 18169580), (20, 12718706), (22, 11562460), (26, 9783620), (28, 9084790), (35, 7267832), (40, 6359353), (44, 5781230), (52, 4891810), (55, 4624984), (56, 4542395), (65, 3913448), (70, 3633916), (77, 3303560), (88, 2890615), (91, 2795320), (104, 2445905), (110, 2312492), (130, 1956724), (140, 1816958), (143, 1778840), (154, 1651780), (182, 1397660), (220, 1156246), (260, 978362), (280, 908479), (286, 889420), (308, 825890), (364, 698830), (385, 660712), (440, 578123), (455, 559064), (520, 489181), (572, 444710), (616, 412945), (715, 355768), (728, 349415), (770, 330356), (910, 279532), (1001, 254120), (1144, 222355), (1430, 177884), (1540, 165178), (1820, 139766), (2002, 127060), (2860, 88942), (3080, 82589), (3640, 69883), (4004, 63530), (5005, 50824), (5720, 44471), (6353, 40040), (8008, 31765), (10010, 25412), (12706, 20020)]