390113920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 1121379840

約数和(自身を除く): 731265920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 53, 56, 62, 64, 70, 80, 106, 112, 124, 128, 140, 155, 160, 212, 217, 224, 248, 265, 280, 310, 320, 371, 424, 434, 448, 496, 530, 560, 620, 640, 742, 848, 868, 896, 992, 1060, 1085, 1120, 1240, 1484, 1643, 1696, 1736, 1855, 1984, 2120, 2170, 2240, 2480, 2809, 2968, 3286, 3392, 3472, 3710, 3968, 4240, 4340, 4480, 4960, 5618, 5936, 6572, 6784, 6944, 7420, 8215, 8480, 8680, 9920, 11236, 11501, 11872, 13144, 13888, 14045, 14840, 16430, 16960, 17360, 19663, 19840, 22472, 23002, 23744, 26288, 27776, 28090, 29680, 32860, 33920, 34720, 39326, 44944, 46004, 47488, 52576, 56180, 57505, 59360, 65720, 69440, 78652, 87079, 89888, 92008, 98315, 105152, 112360, 115010, 118720, 131440, 138880, 157304, 174158, 179776, 184016, 196630, 210304, 224720, 230020, 237440, 262880, 314608, 348316, 359552, 368032, 393260, 435395, 449440, 460040, 525760, 609553, 629216, 696632, 736064, 786520, 870790, 898880, 920080, 1051520, 1219106, 1258432, 1393264, 1472128, 1573040, 1741580, 1797760, 1840160, 2438212, 2516864, 2786528, 3047765, 3146080, 3483160, 3680320, 4876424, 5573056, 6095530, 6292160, 6966320, 7360640, 9752848, 11146112, 12191060, 12584320, 13932640, 19505696, 24382120, 27865280, 39011392, 48764240, 55730560, 78022784, 97528480, 195056960, 390113920]

約数ペア:

[(1, 390113920), (2, 195056960), (4, 97528480), (5, 78022784), (7, 55730560), (8, 48764240), (10, 39011392), (14, 27865280), (16, 24382120), (20, 19505696), (28, 13932640), (31, 12584320), (32, 12191060), (35, 11146112), (40, 9752848), (53, 7360640), (56, 6966320), (62, 6292160), (64, 6095530), (70, 5573056), (80, 4876424), (106, 3680320), (112, 3483160), (124, 3146080), (128, 3047765), (140, 2786528), (155, 2516864), (160, 2438212), (212, 1840160), (217, 1797760), (224, 1741580), (248, 1573040), (265, 1472128), (280, 1393264), (310, 1258432), (320, 1219106), (371, 1051520), (424, 920080), (434, 898880), (448, 870790), (496, 786520), (530, 736064), (560, 696632), (620, 629216), (640, 609553), (742, 525760), (848, 460040), (868, 449440), (896, 435395), (992, 393260), (1060, 368032), (1085, 359552), (1120, 348316), (1240, 314608), (1484, 262880), (1643, 237440), (1696, 230020), (1736, 224720), (1855, 210304), (1984, 196630), (2120, 184016), (2170, 179776), (2240, 174158), (2480, 157304), (2809, 138880), (2968, 131440), (3286, 118720), (3392, 115010), (3472, 112360), (3710, 105152), (3968, 98315), (4240, 92008), (4340, 89888), (4480, 87079), (4960, 78652), (5618, 69440), (5936, 65720), (6572, 59360), (6784, 57505), (6944, 56180), (7420, 52576), (8215, 47488), (8480, 46004), (8680, 44944), (9920, 39326), (11236, 34720), (11501, 33920), (11872, 32860), (13144, 29680), (13888, 28090), (14045, 27776), (14840, 26288), (16430, 23744), (16960, 23002), (17360, 22472), (19663, 19840)]