638945790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{4481}}^1$

素因数の和:4602

約数の個数: 96

約数和(自身を含む): 1802624544

約数和(自身を除く): 1163678754

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 97, 98, 105, 147, 194, 210, 245, 291, 294, 485, 490, 582, 679, 735, 970, 1358, 1455, 1470, 2037, 2910, 3395, 4074, 4481, 4753, 6790, 8962, 9506, 10185, 13443, 14259, 20370, 22405, 23765, 26886, 28518, 31367, 44810, 47530, 62734, 67215, 71295, 94101, 134430, 142590, 156835, 188202, 219569, 313670, 434657, 439138, 470505, 658707, 869314, 941010, 1097845, 1303971, 1317414, 2173285, 2195690, 2607942, 3042599, 3293535, 4346570, 6085198, 6519855, 6587070, 9127797, 13039710, 15212995, 18255594, 21298193, 30425990, 42596386, 45638985, 63894579, 91277970, 106490965, 127789158, 212981930, 319472895, 638945790]

約数ペア:

[(1, 638945790), (2, 319472895), (3, 212981930), (5, 127789158), (6, 106490965), (7, 91277970), (10, 63894579), (14, 45638985), (15, 42596386), (21, 30425990), (30, 21298193), (35, 18255594), (42, 15212995), (49, 13039710), (70, 9127797), (97, 6587070), (98, 6519855), (105, 6085198), (147, 4346570), (194, 3293535), (210, 3042599), (245, 2607942), (291, 2195690), (294, 2173285), (485, 1317414), (490, 1303971), (582, 1097845), (679, 941010), (735, 869314), (970, 658707), (1358, 470505), (1455, 439138), (1470, 434657), (2037, 313670), (2910, 219569), (3395, 188202), (4074, 156835), (4481, 142590), (4753, 134430), (6790, 94101), (8962, 71295), (9506, 67215), (10185, 62734), (13443, 47530), (14259, 44810), (20370, 31367), (22405, 28518), (23765, 26886)]