209868960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{8923}}^1$

素因数の和:8955

約数の個数: 144

約数和(自身を含む): 769106016

約数和(自身を除く): 559237056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 8923, 11760, 17846, 23520, 26769, 35692, 44615, 53538, 62461, 71384, 89230, 107076, 124922, 133845, 142768, 178460, 187383, 214152, 249844, 267690, 285536, 312305, 356920, 374766, 428304, 437227, 499688, 535380, 624610, 713840, 749532, 856608, 874454, 936915, 999376, 1070760, 1249220, 1311681, 1427680, 1499064, 1748908, 1873830, 1998752, 2141520, 2186135, 2498440, 2623362, 2998128, 3497816, 3747660, 4283040, 4372270, 4996880, 5246724, 5996256, 6558405, 6995632, 7495320, 8744540, 9993760, 10493448, 13116810, 13991264, 14990640, 17489080, 20986896, 26233620, 29981280, 34978160, 41973792, 52467240, 69956320, 104934480, 209868960]

約数ペア:

[(1, 209868960), (2, 104934480), (3, 69956320), (4, 52467240), (5, 41973792), (6, 34978160), (7, 29981280), (8, 26233620), (10, 20986896), (12, 17489080), (14, 14990640), (15, 13991264), (16, 13116810), (20, 10493448), (21, 9993760), (24, 8744540), (28, 7495320), (30, 6995632), (32, 6558405), (35, 5996256), (40, 5246724), (42, 4996880), (48, 4372270), (49, 4283040), (56, 3747660), (60, 3497816), (70, 2998128), (80, 2623362), (84, 2498440), (96, 2186135), (98, 2141520), (105, 1998752), (112, 1873830), (120, 1748908), (140, 1499064), (147, 1427680), (160, 1311681), (168, 1249220), (196, 1070760), (210, 999376), (224, 936915), (240, 874454), (245, 856608), (280, 749532), (294, 713840), (336, 624610), (392, 535380), (420, 499688), (480, 437227), (490, 428304), (560, 374766), (588, 356920), (672, 312305), (735, 285536), (784, 267690), (840, 249844), (980, 214152), (1120, 187383), (1176, 178460), (1470, 142768), (1568, 133845), (1680, 124922), (1960, 107076), (2352, 89230), (2940, 71384), (3360, 62461), (3920, 53538), (4704, 44615), (5880, 35692), (7840, 26769), (8923, 23520), (11760, 17846)]