49490490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 139765824

約数和(自身を除く): 90275334

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 131, 147, 210, 245, 257, 262, 294, 393, 490, 514, 655, 735, 771, 786, 917, 1285, 1310, 1470, 1542, 1799, 1834, 1965, 2570, 2751, 3598, 3855, 3930, 4585, 5397, 5502, 6419, 7710, 8995, 9170, 10794, 12593, 12838, 13755, 17990, 19257, 25186, 26985, 27510, 32095, 33667, 37779, 38514, 53970, 62965, 64190, 67334, 75558, 96285, 101001, 125930, 168335, 188895, 192570, 202002, 235669, 336670, 377790, 471338, 505005, 707007, 1010010, 1178345, 1414014, 1649683, 2356690, 3299366, 3535035, 4949049, 7070070, 8248415, 9898098, 16496830, 24745245, 49490490]

約数ペア:

[(1, 49490490), (2, 24745245), (3, 16496830), (5, 9898098), (6, 8248415), (7, 7070070), (10, 4949049), (14, 3535035), (15, 3299366), (21, 2356690), (30, 1649683), (35, 1414014), (42, 1178345), (49, 1010010), (70, 707007), (98, 505005), (105, 471338), (131, 377790), (147, 336670), (210, 235669), (245, 202002), (257, 192570), (262, 188895), (294, 168335), (393, 125930), (490, 101001), (514, 96285), (655, 75558), (735, 67334), (771, 64190), (786, 62965), (917, 53970), (1285, 38514), (1310, 37779), (1470, 33667), (1542, 32095), (1799, 27510), (1834, 26985), (1965, 25186), (2570, 19257), (2751, 17990), (3598, 13755), (3855, 12838), (3930, 12593), (4585, 10794), (5397, 9170), (5502, 8995), (6419, 7710)]