209252904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 619591680

約数和(自身を除く): 410338776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 71, 84, 106, 142, 159, 168, 212, 213, 284, 318, 331, 371, 424, 426, 497, 568, 636, 662, 742, 852, 993, 994, 1113, 1272, 1324, 1484, 1491, 1704, 1986, 1988, 2226, 2317, 2648, 2968, 2982, 3763, 3972, 3976, 4452, 4634, 5964, 6951, 7526, 7944, 8904, 9268, 11289, 11928, 13902, 15052, 17543, 18536, 22578, 23501, 26341, 27804, 30104, 35086, 45156, 47002, 52629, 52682, 55608, 70172, 70503, 79023, 90312, 94004, 105258, 105364, 122801, 140344, 141006, 158046, 164507, 188008, 210516, 210728, 245602, 282012, 316092, 329014, 368403, 421032, 491204, 493521, 564024, 632184, 658028, 736806, 982408, 987042, 1245553, 1316056, 1473612, 1974084, 2491106, 2947224, 3736659, 3948168, 4982212, 7473318, 8718871, 9964424, 14946636, 17437742, 26156613, 29893272, 34875484, 52313226, 69750968, 104626452, 209252904]

約数ペア:

[(1, 209252904), (2, 104626452), (3, 69750968), (4, 52313226), (6, 34875484), (7, 29893272), (8, 26156613), (12, 17437742), (14, 14946636), (21, 9964424), (24, 8718871), (28, 7473318), (42, 4982212), (53, 3948168), (56, 3736659), (71, 2947224), (84, 2491106), (106, 1974084), (142, 1473612), (159, 1316056), (168, 1245553), (212, 987042), (213, 982408), (284, 736806), (318, 658028), (331, 632184), (371, 564024), (424, 493521), (426, 491204), (497, 421032), (568, 368403), (636, 329014), (662, 316092), (742, 282012), (852, 245602), (993, 210728), (994, 210516), (1113, 188008), (1272, 164507), (1324, 158046), (1484, 141006), (1491, 140344), (1704, 122801), (1986, 105364), (1988, 105258), (2226, 94004), (2317, 90312), (2648, 79023), (2968, 70503), (2982, 70172), (3763, 55608), (3972, 52682), (3976, 52629), (4452, 47002), (4634, 45156), (5964, 35086), (6951, 30104), (7526, 27804), (7944, 26341), (8904, 23501), (9268, 22578), (11289, 18536), (11928, 17543), (13902, 15052)]