208673710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 479084544

約数和(自身を除く): 270410834

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 37, 46, 62, 70, 74, 113, 115, 155, 161, 185, 217, 226, 230, 259, 310, 322, 370, 434, 518, 565, 713, 791, 805, 851, 1085, 1130, 1147, 1295, 1426, 1582, 1610, 1702, 2170, 2294, 2590, 2599, 3503, 3565, 3955, 4181, 4255, 4991, 5198, 5735, 5957, 7006, 7130, 7910, 8029, 8362, 8510, 9982, 11470, 11914, 12995, 16058, 17515, 18193, 20905, 24521, 24955, 25990, 26381, 29267, 29785, 35030, 36386, 40145, 41810, 49042, 49910, 52762, 58534, 59570, 80290, 80569, 90965, 96163, 122605, 129611, 131905, 146335, 161138, 181930, 184667, 192326, 245210, 259222, 263810, 292670, 369334, 402845, 480815, 563983, 648055, 673141, 805690, 907277, 923335, 961630, 1127966, 1296110, 1346282, 1814554, 1846670, 2819915, 2981053, 3365705, 4536385, 5639830, 5962106, 6731410, 9072770, 14905265, 20867371, 29810530, 41734742, 104336855, 208673710]

約数ペア:

[(1, 208673710), (2, 104336855), (5, 41734742), (7, 29810530), (10, 20867371), (14, 14905265), (23, 9072770), (31, 6731410), (35, 5962106), (37, 5639830), (46, 4536385), (62, 3365705), (70, 2981053), (74, 2819915), (113, 1846670), (115, 1814554), (155, 1346282), (161, 1296110), (185, 1127966), (217, 961630), (226, 923335), (230, 907277), (259, 805690), (310, 673141), (322, 648055), (370, 563983), (434, 480815), (518, 402845), (565, 369334), (713, 292670), (791, 263810), (805, 259222), (851, 245210), (1085, 192326), (1130, 184667), (1147, 181930), (1295, 161138), (1426, 146335), (1582, 131905), (1610, 129611), (1702, 122605), (2170, 96163), (2294, 90965), (2590, 80569), (2599, 80290), (3503, 59570), (3565, 58534), (3955, 52762), (4181, 49910), (4255, 49042), (4991, 41810), (5198, 40145), (5735, 36386), (5957, 35030), (7006, 29785), (7130, 29267), (7910, 26381), (8029, 25990), (8362, 24955), (8510, 24521), (9982, 20905), (11470, 18193), (11914, 17515), (12995, 16058)]