217752570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 686188800

約数和(自身を除く): 468436230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 109, 126, 135, 147, 151, 189, 210, 218, 245, 270, 294, 302, 315, 327, 378, 441, 453, 490, 545, 630, 654, 735, 755, 763, 882, 906, 945, 981, 1057, 1090, 1323, 1359, 1470, 1510, 1526, 1635, 1890, 1962, 2114, 2205, 2265, 2289, 2646, 2718, 2943, 3171, 3270, 3815, 4077, 4410, 4530, 4578, 4905, 5285, 5341, 5886, 6342, 6615, 6795, 6867, 7399, 7630, 8154, 9513, 9810, 10570, 10682, 11445, 13230, 13590, 13734, 14715, 14798, 15855, 16023, 16459, 19026, 20385, 20601, 22197, 22890, 26705, 28539, 29430, 31710, 32046, 32918, 34335, 36995, 40770, 41202, 44394, 47565, 48069, 49377, 53410, 57078, 66591, 68670, 73990, 80115, 82295, 95130, 96138, 98754, 103005, 110985, 115213, 133182, 142695, 144207, 148131, 160230, 164590, 199773, 206010, 221970, 230426, 240345, 246885, 285390, 288414, 296262, 332955, 345639, 399546, 444393, 480690, 493770, 576065, 665910, 691278, 721035, 740655, 806491, 888786, 998865, 1036917, 1152130, 1442070, 1481310, 1612982, 1728195, 1997730, 2073834, 2221965, 2419473, 3110751, 3456390, 4032455, 4443930, 4838946, 5184585, 6221502, 7258419, 8064910, 10369170, 12097365, 14516838, 15553755, 21775257, 24194730, 31107510, 36292095, 43550514, 72584190, 108876285, 217752570]

約数ペア:

[(1, 217752570), (2, 108876285), (3, 72584190), (5, 43550514), (6, 36292095), (7, 31107510), (9, 24194730), (10, 21775257), (14, 15553755), (15, 14516838), (18, 12097365), (21, 10369170), (27, 8064910), (30, 7258419), (35, 6221502), (42, 5184585), (45, 4838946), (49, 4443930), (54, 4032455), (63, 3456390), (70, 3110751), (90, 2419473), (98, 2221965), (105, 2073834), (109, 1997730), (126, 1728195), (135, 1612982), (147, 1481310), (151, 1442070), (189, 1152130), (210, 1036917), (218, 998865), (245, 888786), (270, 806491), (294, 740655), (302, 721035), (315, 691278), (327, 665910), (378, 576065), (441, 493770), (453, 480690), (490, 444393), (545, 399546), (630, 345639), (654, 332955), (735, 296262), (755, 288414), (763, 285390), (882, 246885), (906, 240345), (945, 230426), (981, 221970), (1057, 206010), (1090, 199773), (1323, 164590), (1359, 160230), (1470, 148131), (1510, 144207), (1526, 142695), (1635, 133182), (1890, 115213), (1962, 110985), (2114, 103005), (2205, 98754), (2265, 96138), (2289, 95130), (2646, 82295), (2718, 80115), (2943, 73990), (3171, 68670), (3270, 66591), (3815, 57078), (4077, 53410), (4410, 49377), (4530, 48069), (4578, 47565), (4905, 44394), (5285, 41202), (5341, 40770), (5886, 36995), (6342, 34335), (6615, 32918), (6795, 32046), (6867, 31710), (7399, 29430), (7630, 28539), (8154, 26705), (9513, 22890), (9810, 22197), (10570, 20601), (10682, 20385), (11445, 19026), (13230, 16459), (13590, 16023), (13734, 15855), (14715, 14798)]