28836990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:543

約数の個数: 144

約数和(自身を含む): 94112928

約数和(自身を除く): 65275938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 147, 182, 195, 210, 234, 245, 273, 294, 315, 390, 441, 455, 490, 503, 546, 585, 630, 637, 735, 819, 882, 910, 1006, 1170, 1274, 1365, 1470, 1509, 1638, 1911, 2205, 2515, 2730, 3018, 3185, 3521, 3822, 4095, 4410, 4527, 5030, 5733, 6370, 6539, 7042, 7545, 8190, 9054, 9555, 10563, 11466, 13078, 15090, 17605, 19110, 19617, 21126, 22635, 24647, 28665, 31689, 32695, 35210, 39234, 45270, 45773, 49294, 52815, 57330, 58851, 63378, 65390, 73941, 91546, 98085, 105630, 117702, 123235, 137319, 147882, 158445, 196170, 221823, 228865, 246470, 274638, 294255, 316890, 320411, 369705, 411957, 443646, 457730, 588510, 640822, 686595, 739410, 823914, 961233, 1109115, 1373190, 1602055, 1922466, 2059785, 2218230, 2883699, 3204110, 4119570, 4806165, 5767398, 9612330, 14418495, 28836990]

約数ペア:

[(1, 28836990), (2, 14418495), (3, 9612330), (5, 5767398), (6, 4806165), (7, 4119570), (9, 3204110), (10, 2883699), (13, 2218230), (14, 2059785), (15, 1922466), (18, 1602055), (21, 1373190), (26, 1109115), (30, 961233), (35, 823914), (39, 739410), (42, 686595), (45, 640822), (49, 588510), (63, 457730), (65, 443646), (70, 411957), (78, 369705), (90, 320411), (91, 316890), (98, 294255), (105, 274638), (117, 246470), (126, 228865), (130, 221823), (147, 196170), (182, 158445), (195, 147882), (210, 137319), (234, 123235), (245, 117702), (273, 105630), (294, 98085), (315, 91546), (390, 73941), (441, 65390), (455, 63378), (490, 58851), (503, 57330), (546, 52815), (585, 49294), (630, 45773), (637, 45270), (735, 39234), (819, 35210), (882, 32695), (910, 31689), (1006, 28665), (1170, 24647), (1274, 22635), (1365, 21126), (1470, 19617), (1509, 19110), (1638, 17605), (1911, 15090), (2205, 13078), (2515, 11466), (2730, 10563), (3018, 9555), (3185, 9054), (3521, 8190), (3822, 7545), (4095, 7042), (4410, 6539), (4527, 6370), (5030, 5733)]