28611450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 90994176

約数和(自身を除く): 62382726

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 45, 50, 62, 63, 70, 75, 90, 93, 105, 126, 150, 155, 175, 186, 210, 217, 225, 279, 293, 310, 315, 350, 434, 450, 465, 525, 558, 586, 630, 651, 775, 879, 930, 1050, 1085, 1302, 1395, 1465, 1550, 1575, 1758, 1953, 2051, 2170, 2325, 2637, 2790, 2930, 3150, 3255, 3906, 4102, 4395, 4650, 5274, 5425, 6153, 6510, 6975, 7325, 8790, 9083, 9765, 10255, 10850, 12306, 13185, 13950, 14650, 16275, 18166, 18459, 19530, 20510, 21975, 26370, 27249, 30765, 32550, 36918, 43950, 45415, 48825, 51275, 54498, 61530, 63581, 65925, 81747, 90830, 92295, 97650, 102550, 127162, 131850, 136245, 153825, 163494, 184590, 190743, 227075, 272490, 307650, 317905, 381486, 408735, 454150, 461475, 572229, 635810, 681225, 817470, 922950, 953715, 1144458, 1362450, 1589525, 1907430, 2043675, 2861145, 3179050, 4087350, 4768575, 5722290, 9537150, 14305725, 28611450]

約数ペア:

[(1, 28611450), (2, 14305725), (3, 9537150), (5, 5722290), (6, 4768575), (7, 4087350), (9, 3179050), (10, 2861145), (14, 2043675), (15, 1907430), (18, 1589525), (21, 1362450), (25, 1144458), (30, 953715), (31, 922950), (35, 817470), (42, 681225), (45, 635810), (50, 572229), (62, 461475), (63, 454150), (70, 408735), (75, 381486), (90, 317905), (93, 307650), (105, 272490), (126, 227075), (150, 190743), (155, 184590), (175, 163494), (186, 153825), (210, 136245), (217, 131850), (225, 127162), (279, 102550), (293, 97650), (310, 92295), (315, 90830), (350, 81747), (434, 65925), (450, 63581), (465, 61530), (525, 54498), (558, 51275), (586, 48825), (630, 45415), (651, 43950), (775, 36918), (879, 32550), (930, 30765), (1050, 27249), (1085, 26370), (1302, 21975), (1395, 20510), (1465, 19530), (1550, 18459), (1575, 18166), (1758, 16275), (1953, 14650), (2051, 13950), (2170, 13185), (2325, 12306), (2637, 10850), (2790, 10255), (2930, 9765), (3150, 9083), (3255, 8790), (3906, 7325), (4102, 6975), (4395, 6510), (4650, 6153), (5274, 5425)]