290470590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 802897920

約数和(自身を除く): 512427330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 127, 129, 135, 197, 215, 254, 258, 270, 381, 387, 394, 430, 591, 635, 645, 762, 774, 985, 1143, 1161, 1182, 1270, 1290, 1773, 1905, 1935, 1970, 2286, 2322, 2955, 3429, 3546, 3810, 3870, 5319, 5461, 5715, 5805, 5910, 6858, 8471, 8865, 10638, 10922, 11430, 11610, 16383, 16942, 17145, 17730, 25019, 25413, 26595, 27305, 32766, 34290, 42355, 49149, 50038, 50826, 53190, 54610, 75057, 76239, 81915, 84710, 98298, 125095, 127065, 147447, 150114, 152478, 163830, 225171, 228717, 245745, 250190, 254130, 294894, 375285, 381195, 450342, 457434, 491490, 675513, 737235, 750570, 762390, 1075817, 1125855, 1143585, 1351026, 1474470, 2151634, 2251710, 2287170, 3227451, 3377565, 5379085, 6454902, 6755130, 9682353, 10758170, 16137255, 19364706, 29047059, 32274510, 48411765, 58094118, 96823530, 145235295, 290470590]

約数ペア:

[(1, 290470590), (2, 145235295), (3, 96823530), (5, 58094118), (6, 48411765), (9, 32274510), (10, 29047059), (15, 19364706), (18, 16137255), (27, 10758170), (30, 9682353), (43, 6755130), (45, 6454902), (54, 5379085), (86, 3377565), (90, 3227451), (127, 2287170), (129, 2251710), (135, 2151634), (197, 1474470), (215, 1351026), (254, 1143585), (258, 1125855), (270, 1075817), (381, 762390), (387, 750570), (394, 737235), (430, 675513), (591, 491490), (635, 457434), (645, 450342), (762, 381195), (774, 375285), (985, 294894), (1143, 254130), (1161, 250190), (1182, 245745), (1270, 228717), (1290, 225171), (1773, 163830), (1905, 152478), (1935, 150114), (1970, 147447), (2286, 127065), (2322, 125095), (2955, 98298), (3429, 84710), (3546, 81915), (3810, 76239), (3870, 75057), (5319, 54610), (5461, 53190), (5715, 50826), (5805, 50038), (5910, 49149), (6858, 42355), (8471, 34290), (8865, 32766), (10638, 27305), (10922, 26595), (11430, 25413), (11610, 25019), (16383, 17730), (16942, 17145)]